{"title":"Current Recorders","description":"\u003cp\u003eElectrocorder current recorders are portable load-survey loggers for checking current demand on single-phase and three-phase circuits, feeders, distribution boards, panels and transformers.\u003c\/p\u003e\n\u003cp\u003eUse these loggers when you need to understand loading patterns, spare capacity, peak current, duty cycles or whether a circuit is being overloaded. Current-only logging is often the simplest route where voltage and power factor do not need to be measured directly.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/load-survey-current-loggers\"\u003eChoose a load survey or current logger\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"electrocorder-ct-1a-single-phase-current-logger-for-domestic-and-commercial-appliances","title":"Electrocorder CT-1A Single Phase Current Recorder","description":"\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eThe Electrocorder CT-1A is a single-phase current logger for monitoring circuit loading, appliance current, lighting loads and small current trends.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it when you need to record current over time on a single conductor, such as an incoming supply, lighting circuit or individual load. The CT-1A uses a split-core current transformer that clips around the conductor, so the supply normally does not need to be interrupted.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eSingle-phase current logging on accessible circuits.\u003c\/li\u003e\n\u003cli\u003eChecking load changes after lighting or equipment upgrades.\u003c\/li\u003e\n\u003cli\u003eMonitoring smaller current ranges from 0.1 A to 100 A, model dependent.\u003c\/li\u003e\n\u003cli\u003eEarth leakage trend checks where the current is within the suitable range.\u003c\/li\u003e\n\u003cli\u003eTemporary current monitoring where voltage and power are not required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eConsider another model if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eYou need current ranges above the CT-1A range, where the CT-3A-RS may be more suitable.\u003c\/li\u003e\n\u003cli\u003eYou need voltage, power or energy as well as current, where the CT-2VA, EC-2VA or AL-2VA may be a better fit.\u003c\/li\u003e\n\u003cli\u003eYou need three-phase current monitoring, where the CT-3A-RS or EC-3A-RS may be more appropriate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat you get:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eCT-1A logger.\u003c\/li\u003e\n\u003cli\u003eOne clamp-on current transformer, USB lead, carry case, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003cli\u003eA compact current logger for circuits where one conductor can be accessed safely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSet up the logger in Electrosoft before visiting site, fit the current transformer around the conductor being monitored, then start recording. When enough data has been captured, disconnect the logger, connect it to a PC by USB and use Electrosoft to view, save, export and report on the results.\u003c\/p\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTypical applications:\u003c\/strong\u003e The CT-1A is intended for current-only investigations where a single conductor can be accessed, commonly at a fuse board, switchboard or distribution board.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat the CT-1A records:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eSingle-phase current using a clamp-on current transformer.\u003c\/li\u003e\n\u003cli\u003eMinimum, maximum and true average current values over the selected averaging period.\u003c\/li\u003e\n\u003cli\u003eCurrent trends for load surveys, lighting checks and circuit monitoring.\u003c\/li\u003e\n\u003cli\u003eData that helps show whether a current change is sustained or intermittent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy constant sampling matters:\u003c\/strong\u003e many instruments only take periodic snapshots. The Electrocorder continuously samples throughout the averaging period, helping capture short events, changing loads and trend data that can otherwise be missed.\u003c\/p\u003e\n\u003cp\u003eRecording duration depends on the selected averaging period. The logger can be configured before the site visit and then left to record current trends.\u003c\/p\u003e\n\u003cp\u003eThe CT-1A is normally installed by a competent person because access to individual conductors is required. The current transformer clips around the conductor and does not require the main circuit to be broken.\u003c\/p\u003e\n\n\u003ch5\u003eCase Studies\u003c\/h5\u003e\n\u003cp\u003eThese related Electrocorder case studies, application pages and articles show how this type of logging is used in practical investigations.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/knowledge-energy-auditing\"\u003e\u003cstrong\u003eEnergy Auditing\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eA knowledge page explaining how recorded electrical data supports energy audits, load profiling and evidence-based recommendations.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/portfolio-saving-energy-in-industry\"\u003e\u003cstrong\u003eSaving Energy in Industry\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eAn application page focused on measurement, ongoing logging and identifying where energy reductions may be possible.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/blogs\/news\/recording-electrical-energy-use-is-easy\"\u003e\u003cstrong\u003eRecording Electrical Energy Use is Easy\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eAn article explaining how Electrocorder loggers and Electrosoft help capture, review and report recorded electrical data.\u003c\/p\u003e\n\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003eDownload the CT-1A datasheet and user instructions for detailed technical information, installation guidance and operating instructions.\u003c\/p\u003e\n\u003ctable class=\"cke_show_border\" height=\"46\"\u003e\n\u003ccolgroup\u003e \u003ccol\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg title=\"Single Phase Current Logger Datasheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" alt=\"Single Phase Current Logger Datasheet\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-1A-DS-En.pdf\" data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-1A-DS-En.pdf?19\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg title=\"Single Phase Current Logger User Instructions\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" alt=\"Single Phase Current Logger User Instructions\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-1A-UI-En.pdf\" data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-1A-UI-En.pdf?19\" target=\"_blank\"\u003e\u003cstrong\u003eUser Instructions (English)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFree Electrosoft PC software\u003c\/strong\u003e\u003cbr\u003eElectrosoft is compatible with Windows 11 down to Windows 7. It lets you view and zoom current, power and energy graphs, export data to Microsoft Excel, email results to colleagues, and print or save reports as PDF files with your company logo.\u003c\/p\u003e\n\u003cp\u003eElectrosoft includes statistics, load balancing, tariff and costing analysis, annual CO2 and energy usage projections, logger management and calibration management tools. Sample files are included so you can try the software without having a logger connected.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 1em; margin-bottom: 1.5em;\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 90px; padding: 10px 14px; border: 1px solid #e2e2e2; vertical-align: middle; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/Electrosoft_Icon_d3991672-01de-431e-8f5d-b336bbdcc959.png?101\" alt=\"Electrosoft software icon\" style=\"max-width: 48px; height: auto;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 18px; border: 1px solid #e2e2e2; vertical-align: middle;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/downloads\"\u003e\u003cstrong\u003eDownload Electrosoft PC software\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to choose the CT-1A\u003c\/strong\u003e\u003cbr\u003eChoose this model when the main question is how much current a single-phase circuit carries over time and a clamp-on CT is the right physical fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompare with related Electrocorder models\u003c\/strong\u003e\u003cbr\u003eIf current ranges of 3 A to 400 A are needed, consider the CT-3A-RS. If voltage, power or energy are required as well as current, consider the CT-2VA or EC-2VA.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eSingle-phase current logging with a split-core current transformer.\u003c\/li\u003e\n\u003cli\u003eModel-dependent ranges from 0.1 A to 100 A.\u003c\/li\u003e\n\u003cli\u003eUseful for load checks, lighting studies and small circuit monitoring.\u003c\/li\u003e\n\u003cli\u003eNo voltage connection required for current-only logging.\u003c\/li\u003e\n\u003cli\u003eConstant sampling to reduce the risk of missing short-duration or changing load events.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement note\u003c\/strong\u003e\u003cbr\u003eThe CT-1A is a current logger. It does not measure voltage, power or power factor by itself.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eIncluded with your single-phase current logger with clamp-on current transformer:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eCT-1A logger.\u003c\/li\u003e\n\u003cli\u003eOne clamp-on current transformer, USB lead, carry case, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003cli\u003eA compact current logger for circuits where one conductor can be accessed safely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 1.5em; margin-bottom: 0;\"\u003e\u003cstrong\u003eDetermining product order codes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo specify your Electrocorder select various codes and enter into the boxes in order to create an accurate product code. For example: CT-1A-HD-5H-IP65-SET.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-1A_Diagram.png?19\" alt=\"CT-1A product order code diagram\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I choose the CT-1A?\u003c\/strong\u003e\u003cbr\u003eChoose it for single-phase current-only monitoring where one conductor can be safely accessed and the current range is suitable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the circuit need to be interrupted?\u003c\/strong\u003e\u003cbr\u003eNormally no. The split-core current transformer clips around the conductor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it measure voltage or energy?\u003c\/strong\u003e\u003cbr\u003eNo. For voltage, power and energy, consider CT-2VA, EC-2VA or AL-2VA depending on the application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat current ranges are available?\u003c\/strong\u003e\u003cbr\u003eThe CT-1A family covers relatively small loads, model dependent, from 0.1 A to 100 A.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software is used to analyse the data?\u003c\/strong\u003e\u003cbr\u003eElectrosoft PC software is used to configure the logger, download recorded data, view graphs, export data and create reports.\u003c\/p\u003e","brand":"Electrocorder","offers":[{"title":"5H - 50Hz \/ FY - 0.5 to 50A","offer_id":30257202135126,"sku":"CT-1A-5H-FY-IP65","price":329.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ TN - 0.1 to 10A","offer_id":30257202069590,"sku":"CT-1A-5H-TN-IP65","price":329.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ HD - 1 to 100A","offer_id":30257202167894,"sku":"CT-1A-5H-HD-IP65","price":329.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ FY - 0.5 to 50A","offer_id":30257202233430,"sku":"CT-1A-5H-FY-IP65","price":329.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ TN - 0.1 to 10A","offer_id":30257202200662,"sku":"CT-1A-5H-TN-IP65","price":329.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ HD - 1 to 100A","offer_id":30257202266198,"sku":"CT-1A-5H-HD-IP65","price":329.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/products\/electrocorder-ct-1a-single-phase-current-logger-for-domestic-and-commercial-appliances-756294.jpg?v=1570696157"},{"product_id":"electrocorder-ct-3a-rs-three-phase-current-logger-for-industry-and-light-commercial","title":"Electrocorder CT-3A-RS Three Phase Current Logger (60A\/200A or 60A\/400A)","description":"\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eThe Electrocorder CT-3A-RS is a portable three-phase current logger for load surveys, feeder monitoring, current consumption checks and energy-audit support on lower-current circuits.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it when you need to record three-phase current over time on circuits where clamp-on current transformers are practical. The CT-3A-RS records current data using three CT sensors that fit around conductors up to approximately 30 mm diameter, with model-dependent high ranges of 200 A or 400 A.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase load surveys on smaller conductors.\u003c\/li\u003e\n\u003cli\u003eFeeder loading checks and current-consumption investigations.\u003c\/li\u003e\n\u003cli\u003eEnergy audits where current trends help identify usage patterns.\u003c\/li\u003e\n\u003cli\u003eSites where clamp-on current transformers are convenient and sufficient.\u003c\/li\u003e\n\u003cli\u003eTemporary monitoring where voltage connection is not required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eConsider another model if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eYou need larger current range or flexible sensors for large conductors, where the EC-3A-RS may be a better fit.\u003c\/li\u003e\n\u003cli\u003eYou need voltage, current, power, energy and power factor together, where the EC-7VAR-RS is more appropriate.\u003c\/li\u003e\n\u003cli\u003eYou need voltage-only monitoring, where an EC-3V or SL-3V voltage recorder may be simpler.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat you get:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eCT-3A-RS logger in the smaller 190 x 120 x 60 mm enclosure.\u003c\/li\u003e\n\u003cli\u003eThree clamp-on current transformers for conductors up to approximately 30 mm diameter.\u003c\/li\u003e\n\u003cli\u003eUSB download lead, carry case, 12 Vdc power supply, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSet up the logger in Electrosoft, install it at the measurement point, then start recording. When enough data has been captured, connect the logger to a PC by USB and use Electrosoft to view, save, export and report on the results.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"272\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/OKLn4RLdGi0?controls=0\u0026amp;modestbranding=1\" width=\"90%\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTypical applications:\u003c\/strong\u003e The CT-3A-RS is intended for current-only studies where the circuit can be monitored with clamp-on current transformers. It is a practical choice for routine load checks and smaller three-phase current surveys.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat the CT-3A-RS records:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase current using clamp-on current transformers.\u003c\/li\u003e\n\u003cli\u003eLow range 0.5 A to 60 A.\u003c\/li\u003e\n\u003cli\u003eHigh range 4 A to 200 A or 4 A to 400 A, depending on model.\u003c\/li\u003e\n\u003cli\u003eTRMS average, minimum and maximum values across the selected averaging period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy constant sampling matters:\u003c\/strong\u003e many instruments only take periodic snapshots. The Electrocorder continuously samples throughout the averaging period, helping capture short events, changing loads and trend data that can otherwise be missed.\u003c\/p\u003e\n\u003cp\u003eRecording duration depends on the selected averaging period. Short averaging periods can be used for detailed investigations, while longer averaging periods support extended monitoring.\u003c\/p\u003e\n\u003cp\u003eThe logger is built into a rugged 190 x 120 x 60 mm enclosure and supplied with clamp-on current transformers, USB lead, carry case and external 12 Vdc power supply. External power is recommended when available to preserve the internal batteries.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eRelated application guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0;\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/electrocorder.com\/pages\/load-survey-current-loggers\"\u003eLoad Survey and Current Loggers\u003c\/a\u003e: for feeder checks, current logging, load surveys and capacity planning.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/electrocorder.com\/pages\/energy-audit-loggers\"\u003eEnergy Audit Loggers\u003c\/a\u003e: for energy audits, load profiles, peak demand and before\/after savings evidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eCase Studies\u003c\/h5\u003e\n\u003cp\u003eThese related Electrocorder case studies, application pages and articles show how this type of logging is used in practical investigations.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/portfolio-resourceable-northern-ireland-energy-audit\"\u003e\u003cstrong\u003eResourceable, Northern Ireland - Energy Audit\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eA customer energy-audit example where Electrocorder logging was used to support measurement-led energy analysis.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/portfolio-saving-energy-in-industry\"\u003e\u003cstrong\u003eSaving Energy in Industry\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eAn industrial energy-saving application page focused on using recorded data to identify where reductions may be possible.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/knowledge-energy-auditing\"\u003e\u003cstrong\u003eEnergy Auditing\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eA knowledge page explaining how recorded electrical data supports energy audits, load profiling and evidence-based recommendations.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/blogs\/news\/ev-charging\"\u003e\u003cstrong\u003eEV Charging\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eA blog article where current logging and load monitoring are relevant to understanding electrical demand from charging installations.\u003c\/p\u003e\n\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003eDownload the CT-3A-RS datasheet and user instructions for detailed technical information, installation guidance and operating instructions.\u003c\/p\u003e\n\u003ctable height=\"46\" class=\"cke_show_border\"\u003e\n\u003ccolgroup\u003e \u003ccol\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg alt=\"Three Phase Current Logger Datasheet\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" title=\"Three Phase Current Logger Datasheet\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-En.pdf?23\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-En.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg alt=\"Three Phase Current Logger User Instructions\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" title=\"Three Phase Current Logger User Instructions\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-UI-En.pdf?23\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-UI-En.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eUser Instructions (English)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg alt=\"Three Phase Current Logger Datasheet (Spanish)\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" title=\"Three Phase Current Logger Datasheet (Spanish)\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-Es.pdf?23\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-Es.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet (Español)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFree Electrosoft PC software\u003c\/strong\u003e\u003cbr\u003eElectrosoft is compatible with Windows 11 down to Windows 7. It lets you view and zoom current, power and energy graphs, export data to Microsoft Excel, email results to colleagues, and print or save reports as PDF files with your company logo.\u003c\/p\u003e\n\u003cp\u003eElectrosoft includes statistics, load balancing, tariff and costing analysis, annual CO2 and energy usage projections, logger management and calibration management tools. Sample files are included so you can try the software without having a logger connected.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 1em; margin-bottom: 1.5em;\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 90px; padding: 10px 14px; border: 1px solid #e2e2e2; vertical-align: middle; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/Electrosoft_Icon_d3991672-01de-431e-8f5d-b336bbdcc959.png?101\" alt=\"Electrosoft software icon\" style=\"max-width: 48px; height: auto;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 18px; border: 1px solid #e2e2e2; vertical-align: middle;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/downloads\"\u003e\u003cstrong\u003eDownload Electrosoft PC software\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to choose the CT-3A-RS\u003c\/strong\u003e\u003cbr\u003eChoose this model when you need a current-only three-phase logger for smaller conductors and routine load surveys.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompare with related Electrocorder models\u003c\/strong\u003e\u003cbr\u003eIf you need larger conductor access or higher current ranges, consider the EC-3A-RS with flexible Rogowski coils. If you need voltage, current, power and power factor together, consider the EC-7VAR-RS.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree clamp-on current transformers for practical current-only installation.\u003c\/li\u003e\n\u003cli\u003eDual ranges for low-current and higher-current monitoring.\u003c\/li\u003e\n\u003cli\u003eNo voltage connection required for logging.\u003c\/li\u003e\n\u003cli\u003eConfigurable averaging period for short investigations or longer-term monitoring.\u003c\/li\u003e\n\u003cli\u003eConstant sampling to reduce the risk of missing short-duration or changing load events.\u003c\/li\u003e\n\u003cli\u003eTamper-resistant setup after configuration in Electrosoft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement note\u003c\/strong\u003e\u003cbr\u003eThe CT-3A-RS records current only. It is useful for current trend analysis and load surveys, but it does not calculate kW, kVA, kVAR or power factor by itself.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eIncluded with your portable three-phase current logger with clamp-on current transformers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eCT-3A-RS logger in the smaller 190 x 120 x 60 mm enclosure.\u003c\/li\u003e\n\u003cli\u003eThree clamp-on current transformers for conductors up to approximately 30 mm diameter.\u003c\/li\u003e\n\u003cli\u003eUSB download lead, carry case, 12 Vdc power supply, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eShipping and origin details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eHarmonised Code: 9030.3901.00 (electronic datalogger).\u003c\/li\u003e\n\u003cli\u003eOrigin: Northern Ireland, United Kingdom.\u003c\/li\u003e\n\u003cli\u003ePackaged dimensions: approximately 2.5 kg, 30 x 25 x 17 cm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 1.5em; margin-bottom: 0;\"\u003e\u003cstrong\u003eDetermining product order codes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo specify your Electrocorder select various codes and enter into the boxes in order to create an accurate product code. For example: CT-3A-RS-5H-IP43-SET.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-Order-Code.jpg?20\" alt=\"CT-3A-RS product order code diagram\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I choose the CT-3A-RS?\u003c\/strong\u003e\u003cbr\u003eChoose it for current-only three-phase monitoring on conductors where clamp-on CTs are practical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between CT-3A-RS and EC-3A-RS?\u003c\/strong\u003e\u003cbr\u003eThe CT-3A-RS uses clamp-on current transformers for smaller conductors. The EC-3A-RS uses flexible Rogowski coils and suits larger conductors or higher current ranges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need a voltage connection?\u003c\/strong\u003e\u003cbr\u003eNo. It is a current logger, so it does not need an AC voltage connection for logging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it calculate power or power factor?\u003c\/strong\u003e\u003cbr\u003eNo. For power and power factor analysis, consider the EC-7VAR-RS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software is used to analyse the data?\u003c\/strong\u003e\u003cbr\u003eElectrosoft PC software is used to configure the logger, download recorded data, view graphs, export data and create reports.\u003c\/p\u003e","brand":"Electrocorder","offers":[{"title":"5H - 50Hz \/ 400A","offer_id":40292910628950,"sku":"CT-3A-RS-5H-4-IP65","price":650.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ 200A","offer_id":30257736384598,"sku":"CT-3A-RS-5H-2-IP65","price":650.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ 400A","offer_id":40292910661718,"sku":"CT-3A-RS-6Z-4-IP65","price":650.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ 200A","offer_id":30257736417366,"sku":"CT-3A-RS-6Z-2-IP65","price":650.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/products\/electrocorder-ct-3a-rs-three-phase-current-logger-for-industry-and-light-commercial-405478.png?v=1616672933"},{"product_id":"electrocorder-ec-3a-rs-current-logger-for-industrial-and-commercial-appliances","title":"Electrocorder EC-3A-RS Three Phase Current Recorder (400A\/3kA)","description":"\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eThe Electrocorder EC-3A-RS is a portable three-phase current logger for high-current load surveys, feeder monitoring, energy audits and industrial current investigations.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it when you need to record three-phase current over time, especially on larger industrial or commercial loads where a conventional clamp logger may not have enough current range. The EC-3A-RS uses three flexible Rogowski coils that fit around conductors up to 140 mm diameter and records TRMS average, minimum and maximum current values throughout the selected averaging period.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase load surveys on high-current circuits.\u003c\/li\u003e\n\u003cli\u003eFeeder loading checks and current-consumption investigations.\u003c\/li\u003e\n\u003cli\u003eEnergy audits where current trends are enough to identify major load patterns.\u003c\/li\u003e\n\u003cli\u003eSites where flexible Rogowski coils are easier to fit than clamp current transformers.\u003c\/li\u003e\n\u003cli\u003eTemporary monitoring where voltage connection is not required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eConsider another model if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eYou need voltage, current, power, energy and power factor together, where the EC-7VAR-RS is a better fit.\u003c\/li\u003e\n\u003cli\u003eYou only need lower current ranges on smaller conductors, where the CT-3A-RS may be simpler.\u003c\/li\u003e\n\u003cli\u003eYou need voltage-only monitoring, where an EC-3V or SL-3V voltage recorder may be more appropriate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat you get:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eEC-3A-RS logger in the smaller 190 x 120 x 60 mm enclosure.\u003c\/li\u003e\n\u003cli\u003eThree flexible Rogowski current sensors for conductors up to 140 mm diameter.\u003c\/li\u003e\n\u003cli\u003eUSB download lead, carry case, 12 Vdc power supply, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSet up the logger in Electrosoft, install it at the measurement point, then start recording. When enough data has been captured, connect the logger to a PC by USB and use Electrosoft to view, save, export and report on the results.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"272\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/pQerfV5fhaQ?controls=0\u0026amp;modestbranding=1\" width=\"90%\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTypical applications:\u003c\/strong\u003e The EC-3A-RS is intended for current-only studies where larger current ranges or flexible sensors are needed. Because it does not require a voltage connection, it is often quicker to install than a full power logger.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat the EC-3A-RS records:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase current using flexible Rogowski coils.\u003c\/li\u003e\n\u003cli\u003eDual current ranges: 4 A to 400 A and 30 A to 3 kA.\u003c\/li\u003e\n\u003cli\u003eTRMS average, minimum and maximum values across the selected averaging period.\u003c\/li\u003e\n\u003cli\u003eLong-term trend data for load surveys, energy audits and fault investigations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy constant sampling matters:\u003c\/strong\u003e many instruments only take periodic snapshots. The Electrocorder continuously samples throughout the averaging period, helping capture short events, changing loads and trend data that can otherwise be missed.\u003c\/p\u003e\n\u003cp\u003eRecording duration depends on the selected averaging period. Short averaging periods can be used for detailed studies, while longer periods support extended monitoring and energy-audit work.\u003c\/p\u003e\n\u003cp\u003eThe logger is built into a rugged 190 x 120 x 60 mm enclosure and is supplied with a protective carry case, flexible Rogowski coils, USB lead and external 12 Vdc power supply. External power is recommended when available to preserve the internal batteries.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eRelated application guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0;\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/electrocorder.com\/pages\/load-survey-current-loggers\"\u003eLoad Survey and Current Loggers\u003c\/a\u003e: for feeder checks, current logging, load surveys and capacity planning.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/electrocorder.com\/pages\/energy-audit-loggers\"\u003eEnergy Audit Loggers\u003c\/a\u003e: for energy audits, load profiles, peak demand and before\/after savings evidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eCase Studies\u003c\/h5\u003e\n\u003cp\u003eThese related Electrocorder case studies, application pages and articles show how this type of logging is used in practical investigations.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/portfolio-saving-energy-in-industry\"\u003e\u003cstrong\u003eSaving Energy in Industry\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eAn industrial energy-saving application page focused on measurement, ongoing data logging and identifying where energy reductions may be possible. Current loggers such as the EC-3A-RS are relevant where current trends help identify major load patterns.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/knowledge-energy-auditing\"\u003e\u003cstrong\u003eEnergy Auditing\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eA knowledge page explaining how recorded electrical data supports energy audits, load profiling and decisions about where energy reductions may be possible.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/blogs\/news\/performing-an-energy-audit\"\u003e\u003cstrong\u003ePerforming an Energy Audit\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eA blog article covering practical energy-audit steps and the value of recording electrical usage rather than relying on assumptions.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.25em;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/blogs\/news\/recording-electrical-energy-use-is-easy\"\u003e\u003cstrong\u003eRecording Electrical Energy Use is Easy\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eAn article explaining how Electrocorder loggers and Electrosoft help capture, review and report recorded electrical data.\u003c\/p\u003e\n\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003eDownload the EC-3A-RS datasheet and user instructions for detailed technical information, installation guidance and operating instructions.\u003c\/p\u003e\n\u003ctable height=\"46\" class=\"cke_show_border\"\u003e\n\u003ccolgroup\u003e \u003ccol\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg alt=\"Three Phase Current Logger Datasheet\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" title=\"Three Phase Current Logger Datasheet\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-DS-En.pdf?52\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-DS-En.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg alt=\"Three Phase Current Logger User Instructions\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" title=\"Three Phase Current Logger User Instructions\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-UI-En.pdf?52\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-UI-En.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eUser Instructions (English)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFree Electrosoft PC software\u003c\/strong\u003e\u003cbr\u003eElectrosoft is compatible with Windows 11 down to Windows 7. It lets you view and zoom current, power and energy graphs, export data to Microsoft Excel, email results to colleagues, and print or save reports as PDF files with your company logo.\u003c\/p\u003e\n\u003cp\u003eElectrosoft includes statistics, load balancing, tariff and costing analysis, annual CO2 and energy usage projections, logger management and calibration management tools. Sample files are included so you can try the software without having a logger connected.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 1em; margin-bottom: 1.5em;\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 90px; padding: 10px 14px; border: 1px solid #e2e2e2; vertical-align: middle; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/Electrosoft_Icon_d3991672-01de-431e-8f5d-b336bbdcc959.png?101\" alt=\"Electrosoft software icon\" style=\"max-width: 48px; height: auto;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 18px; border: 1px solid #e2e2e2; vertical-align: middle;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/downloads\"\u003e\u003cstrong\u003eDownload Electrosoft PC software\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to choose the EC-3A-RS\u003c\/strong\u003e\u003cbr\u003eChoose this model when the main question is how much current a three-phase circuit carries over time, especially where high current range and flexible fitting matter more than voltage or power-factor measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompare with related Electrocorder models\u003c\/strong\u003e\u003cbr\u003eIf you need voltage, current, power and power factor together, consider the EC-7VAR-RS. If the conductors are smaller and lower current ranges are enough, consider the CT-3A-RS. If the investigation is about voltage quality or supply variation, consider the EC-3V or SL-3V.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree flexible Rogowski coils for practical fitting around large conductors.\u003c\/li\u003e\n\u003cli\u003eDual current ranges for both moderate and high-current circuits.\u003c\/li\u003e\n\u003cli\u003eCurrent-only installation without a voltage connection.\u003c\/li\u003e\n\u003cli\u003eConfigurable averaging period for short investigations or longer-term monitoring.\u003c\/li\u003e\n\u003cli\u003eConstant sampling to reduce the risk of missing short-duration or changing load events.\u003c\/li\u003e\n\u003cli\u003eTamper-resistant setup: once configured on a PC, site personnel cannot alter logging parameters from the logger.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement note\u003c\/strong\u003e\u003cbr\u003eBecause the EC-3A-RS is a current-only logger, it is useful for load surveys and current trend analysis, but it does not calculate kW, kVA, kVAR or power factor by itself. Use a power logger such as the EC-7VAR-RS when those values are needed.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eIncluded with your portable three-phase current logger with dual 4 A to 400 A and 30 A to 3 kA ranges:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eEC-3A-RS logger in the smaller 190 x 120 x 60 mm enclosure.\u003c\/li\u003e\n\u003cli\u003eThree flexible Rogowski current sensors for conductors up to 140 mm diameter.\u003c\/li\u003e\n\u003cli\u003eUSB download lead, carry case, 12 Vdc power supply, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eShipping and origin details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eHarmonised Code: 9030.3901.00 (electronic datalogger).\u003c\/li\u003e\n\u003cli\u003eOrigin: Northern Ireland, United Kingdom.\u003c\/li\u003e\n\u003cli\u003ePackaged dimensions: approximately 2.5 kg, 30 x 25 x 17 cm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 1.5em; margin-bottom: 0;\"\u003e\u003cstrong\u003eDetermining product order codes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo specify your Electrocorder select various codes and enter into the boxes in order to create an accurate product code. For example: EC-3A-RS-5H-IP65-SET.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-Order-Code.png?52\" alt=\"EC-3A-RS product order code diagram\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I choose the EC-3A-RS?\u003c\/strong\u003e\u003cbr\u003eChoose it for three-phase current-only monitoring where larger current ranges or flexible Rogowski coils are needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it measure voltage or power factor?\u003c\/strong\u003e\u003cbr\u003eNo. The EC-3A-RS is a current logger. For voltage, current, power, energy and power factor together, consider the EC-7VAR-RS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy use Rogowski coils?\u003c\/strong\u003e\u003cbr\u003eRogowski coils are flexible and can be easier to fit around large conductors or awkward busbar\/cable arrangements than rigid clamp sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be installed without interrupting the supply?\u003c\/strong\u003e\u003cbr\u003eIn many cases, yes, because the current sensors fit around the conductors and no voltage connection is required. It should still be installed by a competent person.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software is used to analyse the data?\u003c\/strong\u003e\u003cbr\u003eElectrosoft PC software is used to configure the logger, download recorded data, view graphs, export data and create analysis reports.\u003c\/p\u003e","brand":"Electrocorder","offers":[{"title":"5H - 50Hz","offer_id":30259949830230,"sku":"EC-3A-RS-5H-IP65","price":730.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz","offer_id":30259949862998,"sku":"EC-3A-RS-6Z-IP65","price":730.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/products\/electrocorder-ec-3a-rs-current-logger-for-industrial-and-commercial-appliances-483495.png?v=1616673032"},{"product_id":"rental-electrocorder-ct-3a-rs-three-phase-current-logger-for-industry-and-light-commercial","title":"Hire Electrocorder CT-3A-RS Three Phase Current Logger (60A\/200A or 60A\/400A)","description":"\u003ch5\u003eHire\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHire the Electrocorder CT-3A-RS by the week.\u003c\/strong\u003e\u003cbr\u003eFor one week hire, enter quantity \u003cstrong\u003e1\u003c\/strong\u003e. For two weeks, enter quantity \u003cstrong\u003e2\u003c\/strong\u003e. For three weeks, enter quantity \u003cstrong\u003e3\u003c\/strong\u003e, and so on.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eHow hire periods are counted:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003e1 week hire gives 9 days in total: the hire clock starts the day after delivery, allows 7 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003e2 week hire gives 16 days in total: the hire clock starts the day after delivery, allows 14 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003e3 week hire gives 23 days in total: the hire clock starts the day after delivery, allows 21 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003ePart weeks are rounded up to the next whole week.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou are responsible for returning the logger to us after the hire period has finished, using your own courier.\u003c\/p\u003e\n\n\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHire the Electrocorder CT-3A-RS for temporary logging work.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it when you need to record three-phase current over time on circuits where clamp-on current transformers are practical. The CT-3A-RS records current data using three CT sensors that fit around conductors up to approximately 30 mm diameter, with model-dependent high ranges of 200 A or 400 A.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eGood hire choice for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase load surveys on smaller conductors.\u003c\/li\u003e\n\u003cli\u003eFeeder loading checks and current-consumption investigations.\u003c\/li\u003e\n\u003cli\u003eEnergy audits where current trends help identify usage patterns.\u003c\/li\u003e\n\u003cli\u003eSites where clamp-on current transformers are convenient and sufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eConsider another hire model if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eYou need larger current range or flexible sensors for large conductors, where the EC-3A-RS may be a better fit.\u003c\/li\u003e\n\u003cli\u003eYou need voltage, current, power, energy and power factor together, where the EC-7VAR-RS is more appropriate.\u003c\/li\u003e\n\u003cli\u003eYou need voltage-only monitoring, where an EC-3V or SL-3V voltage recorder may be simpler.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eHire kit includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eCT-3A-RS logger in the smaller 190 x 120 x 60 mm enclosure.\u003c\/li\u003e\n\u003cli\u003eThree clamp-on current transformers for conductors up to approximately 30 mm diameter.\u003c\/li\u003e\n\u003cli\u003eUSB download lead, carry case, 12 Vdc power supply, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"90%\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/OKLn4RLdGi0?controls=0\u0026amp;modestbranding=1\" height=\"272\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTypical hire applications:\u003c\/strong\u003e The CT-3A-RS is intended for current-only studies where the circuit can be monitored with clamp-on current transformers. It is a practical choice for routine load checks and smaller three-phase current surveys.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat the CT-3A-RS records:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase current using clamp-on current transformers.\u003c\/li\u003e\n\u003cli\u003eLow range 0.5 A to 60 A.\u003c\/li\u003e\n\u003cli\u003eHigh range 4 A to 200 A or 4 A to 400 A, depending on model.\u003c\/li\u003e\n\u003cli\u003eTRMS average, minimum and maximum values across the selected averaging period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy constant sampling matters:\u003c\/strong\u003e the Electrocorder samples throughout the averaging period, helping capture short events, changing loads and trend data that can be missed by periodic snapshots.\u003c\/p\u003e\n\u003cp\u003eThe logger is built into a rugged 190 x 120 x 60 mm enclosure and supplied with clamp-on current transformers, USB lead, carry case and external 12 Vdc power supply. External power is recommended when available to preserve the internal batteries.\u003c\/p\u003e\n\u003cp\u003eAfter logging, connect the logger to a PC by USB and use Electrosoft to view, save, export and report on the results.\u003c\/p\u003e\n\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003eDownload the CT-3A-RS datasheet and user instructions for detailed technical information, installation guidance and operating instructions.\u003c\/p\u003e\n\u003ctable class=\"cke_show_border\" height=\"46\"\u003e\n\u003ccolgroup\u003e \u003ccol\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg title=\"Three Phase Current Logger Datasheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" alt=\"Three Phase Current Logger Datasheet\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-En.pdf\" data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-En.pdf?23\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg title=\"Three Phase Current Logger User Instructions\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" alt=\"Three Phase Current Logger User Instructions\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-UI-En.pdf\" data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-UI-En.pdf?23\" target=\"_blank\"\u003e\u003cstrong\u003eUser Instructions (English)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg title=\"Three Phase Current Logger Datasheet (Spanish)\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?19\" alt=\"Three Phase Current Logger Datasheet (Spanish)\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-Es.pdf\" data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-DS-Es.pdf?23\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet (Español)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFree Electrosoft PC software\u003c\/strong\u003e\u003cbr\u003eElectrosoft is compatible with Windows 11 down to Windows 7. It lets you view and zoom current, power and energy graphs, export data to Microsoft Excel, email results to colleagues, and print or save reports as PDF files with your company logo.\u003c\/p\u003e\n\u003cp\u003eElectrosoft includes statistics, load balancing, tariff and costing analysis, annual CO2 and energy usage projections, logger management and calibration management tools. Sample files are included so you can try the software without having a logger connected.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 1em; margin-bottom: 1.5em;\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 90px; padding: 10px 14px; border: 1px solid #e2e2e2; vertical-align: middle; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/Electrosoft_Icon_d3991672-01de-431e-8f5d-b336bbdcc959.png?101\" alt=\"Electrosoft software icon\" style=\"max-width: 48px; height: auto;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 18px; border: 1px solid #e2e2e2; vertical-align: middle;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/downloads\"\u003e\u003cstrong\u003eDownload Electrosoft PC software\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to hire the CT-3A-RS\u003c\/strong\u003e\u003cbr\u003eChoose this model when you need a current-only three-phase logger for smaller conductors and routine load surveys.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompare with related hire models\u003c\/strong\u003e\u003cbr\u003eIf you need larger conductor access or higher current ranges, consider the EC-3A-RS with flexible Rogowski coils. If you need voltage, current, power and power factor together, consider the EC-7VAR-RS.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree clamp-on current transformers for practical current-only installation.\u003c\/li\u003e\n\u003cli\u003eDual ranges for low-current and higher-current monitoring.\u003c\/li\u003e\n\u003cli\u003eNo voltage connection required for logging.\u003c\/li\u003e\n\u003cli\u003eConfigurable averaging period for short investigations or longer-term monitoring.\u003c\/li\u003e\n\u003cli\u003eConstant sampling to reduce the risk of missing short-duration or changing load events.\u003c\/li\u003e\n\u003cli\u003eTamper-resistant setup after configuration in Electrosoft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement note\u003c\/strong\u003e\u003cbr\u003eThe CT-3A-RS records current only. It is useful for current trend analysis and load surveys, but it does not calculate kW, kVA, kVAR or power factor by itself.\u003c\/p\u003e\n\u003cp style=\"margin-top: 1.5em; margin-bottom: 0;\"\u003e\u003cstrong\u003eDetermining product order codes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo specify your Electrocorder select various codes and enter into the boxes in order to create an accurate product code. For example: CT-3A-RS-5H-IP43-SET.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/CT-3A-RS-Order-Code.jpg?20\" alt=\"CT-3A-RS product order code diagram\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I choose the hire length?\u003c\/strong\u003e\u003cbr\u003eUse the product quantity as the number of whole weeks required. Part weeks are rounded up to the next whole week.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen does the hire clock start?\u003c\/strong\u003e\u003cbr\u003eThe hire clock starts the day after delivery and includes one extra day after the logging period for return.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho returns the logger?\u003c\/strong\u003e\u003cbr\u003eYou are responsible for returning the logger to us after the hire period using your own courier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I choose the CT-3A-RS?\u003c\/strong\u003e\u003cbr\u003eChoose it for current-only three-phase monitoring on conductors where clamp-on CTs are practical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between CT-3A-RS and EC-3A-RS?\u003c\/strong\u003e\u003cbr\u003eThe CT-3A-RS uses clamp-on current transformers for smaller conductors. The EC-3A-RS uses flexible Rogowski coils and suits larger conductors or higher current ranges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need a voltage connection?\u003c\/strong\u003e\u003cbr\u003eNo. It is a current logger, so it does not need an AC voltage connection for logging.\u003c\/p\u003e","brand":"Electrocorder","offers":[{"title":"5H - 50Hz \/ 400A","offer_id":40292916854870,"sku":"RENTAL-CT-3A-RS-5H-4-IP65","price":115.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ 200A","offer_id":30279861469270,"sku":"RENTAL-CT-3A-RS-5H-2-IP65","price":115.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ 400A","offer_id":40292916887638,"sku":"RENTAL-CT-3A-RS-6Z-4-IP65","price":115.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ 200A","offer_id":30279861502038,"sku":"RENTAL-CT-3A-RS-6Z-2-IP65","price":115.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/products\/rental-electrocorder-ct-3a-rs-three-phase-current-logger-for-industry-and-light-commercial-648922.png?v=1570696279"},{"product_id":"rental-electrocorder-ec-3a-rs-current-logger-for-industrial-and-commercial-appliances","title":"Hire Electrocorder EC-3A-RS Three Phase Current Recorder (400A\/3kA)","description":"\u003ch5\u003eHire\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHire the Electrocorder EC-3A-RS by the week.\u003c\/strong\u003e\u003cbr\u003eFor one week hire, enter quantity \u003cstrong\u003e1\u003c\/strong\u003e. For two weeks, enter quantity \u003cstrong\u003e2\u003c\/strong\u003e. For three weeks, enter quantity \u003cstrong\u003e3\u003c\/strong\u003e, and so on.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eHow hire periods are counted:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003e1 week hire gives 9 days in total: the hire clock starts the day after delivery, allows 7 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003e2 week hire gives 16 days in total: the hire clock starts the day after delivery, allows 14 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003e3 week hire gives 23 days in total: the hire clock starts the day after delivery, allows 21 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003ePart weeks are rounded up to the next whole week.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou are responsible for returning the logger to us after the hire period has finished, using your own courier.\u003c\/p\u003e\n\n\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHire the Electrocorder EC-3A-RS for temporary logging work.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it when you need to record three-phase current over time, especially on larger industrial or commercial loads where a conventional clamp logger may not have enough current range. The EC-3A-RS uses three flexible Rogowski coils that fit around conductors up to 140 mm diameter and records TRMS average, minimum and maximum current values throughout the selected averaging period.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eGood hire choice for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase load surveys on high-current circuits.\u003c\/li\u003e\n\u003cli\u003eFeeder loading checks and current-consumption investigations.\u003c\/li\u003e\n\u003cli\u003eEnergy audits where current trends are enough to identify major load patterns.\u003c\/li\u003e\n\u003cli\u003eSites where flexible Rogowski coils are easier to fit than clamp current transformers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eConsider another hire model if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eYou need voltage, current, power, energy and power factor together, where the EC-7VAR-RS is a better fit.\u003c\/li\u003e\n\u003cli\u003eYou only need lower current ranges on smaller conductors, where the CT-3A-RS may be simpler.\u003c\/li\u003e\n\u003cli\u003eYou need voltage-only monitoring, where an EC-3V or SL-3V voltage recorder may be more appropriate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eHire kit includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eEC-3A-RS logger in the smaller 190 x 120 x 60 mm enclosure.\u003c\/li\u003e\n\u003cli\u003eThree flexible Rogowski current sensors for conductors up to 140 mm diameter.\u003c\/li\u003e\n\u003cli\u003eUSB download lead, carry case, 12 Vdc power supply, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe height=\"272\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/pQerfV5fhaQ?controls=0\u0026amp;modestbranding=1\" width=\"90%\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTypical hire applications:\u003c\/strong\u003e The EC-3A-RS is intended for current-only studies where larger current ranges or flexible sensors are needed. Because it does not require a voltage connection, it is often quicker to install than a full power logger.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat the EC-3A-RS records:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase current using flexible Rogowski coils.\u003c\/li\u003e\n\u003cli\u003eDual current ranges: 4 A to 400 A and 30 A to 3 kA.\u003c\/li\u003e\n\u003cli\u003eTRMS average, minimum and maximum values across the selected averaging period.\u003c\/li\u003e\n\u003cli\u003eLong-term trend data for load surveys, energy audits and fault investigations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy constant sampling matters:\u003c\/strong\u003e the Electrocorder samples throughout the averaging period, helping capture short events, changing loads and trend data that can be missed by periodic snapshots.\u003c\/p\u003e\n\u003cp\u003eThe logger is built into a rugged 190 x 120 x 60 mm enclosure and is supplied with a protective carry case, flexible Rogowski coils, USB lead and external 12 Vdc power supply. External power is recommended when available to preserve the internal batteries.\u003c\/p\u003e\n\u003cp\u003eAfter logging, connect the logger to a PC by USB and use Electrosoft to view, save, export and report on the results.\u003c\/p\u003e\n\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003eDownload the EC-3A-RS datasheet and user instructions for detailed technical information, installation guidance and operating instructions.\u003c\/p\u003e\n\u003ctable height=\"46\" class=\"cke_show_border\"\u003e\n\u003ccolgroup\u003e \u003ccol\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg alt=\"Three Phase Current Logger Datasheet\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" title=\"Three Phase Current Logger Datasheet\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-DS-En.pdf?52\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-DS-En.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg alt=\"Three Phase Current Logger User Instructions\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" title=\"Three Phase Current Logger User Instructions\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-UI-En.pdf?52\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-UI-En.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eUser Instructions (English)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFree Electrosoft PC software\u003c\/strong\u003e\u003cbr\u003eElectrosoft is compatible with Windows 11 down to Windows 7. It lets you view and zoom current, power and energy graphs, export data to Microsoft Excel, email results to colleagues, and print or save reports as PDF files with your company logo.\u003c\/p\u003e\n\u003cp\u003eElectrosoft includes statistics, load balancing, tariff and costing analysis, annual CO2 and energy usage projections, logger management and calibration management tools. Sample files are included so you can try the software without having a logger connected.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 1em; margin-bottom: 1.5em;\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 90px; padding: 10px 14px; border: 1px solid #e2e2e2; vertical-align: middle; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/Electrosoft_Icon_d3991672-01de-431e-8f5d-b336bbdcc959.png?101\" alt=\"Electrosoft software icon\" style=\"max-width: 48px; height: auto;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 18px; border: 1px solid #e2e2e2; vertical-align: middle;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/downloads\"\u003e\u003cstrong\u003eDownload Electrosoft PC software\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to hire the EC-3A-RS\u003c\/strong\u003e\u003cbr\u003eChoose this model when the main question is how much current a three-phase circuit carries over time, especially where high current range and flexible fitting matter more than voltage or power-factor measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompare with related hire models\u003c\/strong\u003e\u003cbr\u003eIf you need voltage, current, power and power factor together, consider the EC-7VAR-RS. If the conductors are smaller and lower current ranges are enough, consider the CT-3A-RS. If the investigation is about voltage quality or supply variation, consider the EC-3V or SL-3V.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree flexible Rogowski coils for practical fitting around large conductors.\u003c\/li\u003e\n\u003cli\u003eDual current ranges for both moderate and high-current circuits.\u003c\/li\u003e\n\u003cli\u003eCurrent-only installation without a voltage connection.\u003c\/li\u003e\n\u003cli\u003eConfigurable averaging period for short investigations or longer-term monitoring.\u003c\/li\u003e\n\u003cli\u003eConstant sampling to reduce the risk of missing short-duration or changing load events.\u003c\/li\u003e\n\u003cli\u003eTamper-resistant setup: once configured on a PC, site personnel cannot alter logging parameters from the logger.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement note\u003c\/strong\u003e\u003cbr\u003eBecause the EC-3A-RS is a current-only logger, it is useful for load surveys and current trend analysis, but it does not calculate kW, kVA, kVAR or power factor by itself. Use a power logger such as the EC-7VAR-RS when those values are needed.\u003c\/p\u003e\n\u003cp style=\"margin-top: 1.5em; margin-bottom: 0;\"\u003e\u003cstrong\u003eDetermining product order codes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo specify your Electrocorder select various codes and enter into the boxes in order to create an accurate product code. For example: EC-3A-RS-5H-IP65-SET.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-Order-Code.png?52\" alt=\"EC-3A-RS product order code diagram\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I choose the hire length?\u003c\/strong\u003e\u003cbr\u003eUse the product quantity as the number of whole weeks required. Part weeks are rounded up to the next whole week.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen does the hire clock start?\u003c\/strong\u003e\u003cbr\u003eThe hire clock starts the day after delivery and includes one extra day after the logging period for return.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho returns the logger?\u003c\/strong\u003e\u003cbr\u003eYou are responsible for returning the logger to us after the hire period using your own courier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I choose the EC-3A-RS?\u003c\/strong\u003e\u003cbr\u003eChoose it for three-phase current-only monitoring where larger current ranges or flexible Rogowski coils are needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it measure voltage or power factor?\u003c\/strong\u003e\u003cbr\u003eNo. The EC-3A-RS is a current logger. For voltage, current, power, energy and power factor together, consider the EC-7VAR-RS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy use Rogowski coils?\u003c\/strong\u003e\u003cbr\u003eRogowski coils are flexible and can be easier to fit around large conductors or awkward busbar\/cable arrangements than rigid clamp sensors.\u003c\/p\u003e","brand":"Electrocorder","offers":[{"title":"5H - 50Hz","offer_id":30279878312022,"sku":"RENTAL-EC-3A-RS-5H-IP65","price":115.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz","offer_id":30279878344790,"sku":"RENTAL-EC-3A-RS-6Z-IP65","price":115.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/products\/rental-electrocorder-ec-3a-rs-current-logger-for-industrial-and-commercial-appliances-389961.png?v=1570696279"},{"product_id":"rental-electrocorder-ec-7var-rs-three-phase-voltage-current-power-factor-data-logger","title":"Hire Electrocorder EC-7VAR-RS, 3 Phase Voltage, Current \u0026 Power Factor Data Logger","description":"\u003ch5\u003eHire\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHire the Electrocorder EC-7VAR-RS by the week.\u003c\/strong\u003e\u003cbr\u003eFor one week hire, enter quantity \u003cstrong\u003e1\u003c\/strong\u003e. For two weeks, enter quantity \u003cstrong\u003e2\u003c\/strong\u003e. For three weeks, enter quantity \u003cstrong\u003e3\u003c\/strong\u003e, and so on.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eHow hire periods are counted:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003e1 week hire gives 9 days in total: the hire clock starts the day after delivery, allows 7 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003e2 week hire gives 16 days in total: the hire clock starts the day after delivery, allows 14 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003e3 week hire gives 23 days in total: the hire clock starts the day after delivery, allows 21 days of logging, and includes one extra day to return the logger.\u003c\/li\u003e\n\u003cli\u003ePart weeks are rounded up to the next whole week.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou are responsible for returning the logger to us after the hire period has finished, using your own courier.\u003c\/p\u003e\n\n\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHire the Electrocorder EC-7VAR-RS for temporary logging work.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it when you need to understand how a three-phase electrical system behaves over time. The EC-7VAR-RS records phase voltages and phase currents using three flexible Rogowski coils and four voltage leads for L1, L2, L3 and neutral, then provides the data needed to analyse kW, kVAR, kVA, peak demand, power factor and highest and lowest voltage and current values with dates and times.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eGood hire choice for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase load surveys, feeder loading checks and energy audits.\u003c\/li\u003e\n\u003cli\u003eInvestigating voltage, current and power factor behaviour on industrial or commercial sites.\u003c\/li\u003e\n\u003cli\u003eChecking whether low voltage is related to high current demand on site.\u003c\/li\u003e\n\u003cli\u003eUPS sizing, standby generator sizing and temporary power studies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eConsider another hire model if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eSimple single-phase appliance monitoring, where the AL-2VA or EC-2VA may be a better fit.\u003c\/li\u003e\n\u003cli\u003eVoltage-only investigations, where a three-phase voltage recorder such as the EC-3V may be sufficient.\u003c\/li\u003e\n\u003cli\u003eCurrent-only studies, where a CT-3A-RS or EC-3A-RS current logger may be simpler.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eHire kit includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eEC-7VAR-RS logger in the smaller 190 x 120 x 60 mm enclosure.\u003c\/li\u003e\n\u003cli\u003eThree flexible Rogowski current sensors suitable for fitting around conductors up to 140 mm diameter.\u003c\/li\u003e\n\u003cli\u003eFour fused voltage leads for L1, L2, L3 and neutral.\u003c\/li\u003e\n\u003cli\u003eUSB download lead, carry case, batteries, user instructions and free Electrosoft analysis software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"90%\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/pQerfV5fhaQ?controls=0\u0026amp;modestbranding=1\" height=\"272\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTypical hire applications:\u003c\/strong\u003e The EC-7VAR-RS is intended for three-phase investigations where voltage, current, power and power factor need to be understood together.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eWhat the EC-7VAR-RS records:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eThree-phase voltages and phase currents.\u003c\/li\u003e\n\u003cli\u003ekW, kVAR, kVA, peak demand and power factor.\u003c\/li\u003e\n\u003cli\u003eHighest and lowest voltage and current values with dates and times.\u003c\/li\u003e\n\u003cli\u003eLong-term trend data for load surveys, energy audits and fault investigations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy constant sampling matters:\u003c\/strong\u003e the Electrocorder samples throughout the averaging period, helping capture short events, changing loads and trend data that can be missed by periodic snapshots.\u003c\/p\u003e\n\u003cp\u003eThe logger is designed to be installed by a competent person, generally an electrician or engineer. If suitable isolated test points are available, it can often be fitted without interrupting the supply.\u003c\/p\u003e\n\u003cp\u003eAfter logging, connect the logger to a PC by USB and use Electrosoft to view, save, export and report on the results.\u003c\/p\u003e\n\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e\u003cbr\u003eDownload the EC-7VAR-RS datasheet and user instructions for detailed technical information, installation guidance and operating instructions.\u003c\/p\u003e\n\u003ctable class=\"cke_show_border\" height=\"46\"\u003e\n\u003ccolgroup\u003e \u003ccol\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg title=\"Three Phase Current Logger Datasheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" alt=\"Three Phase Current Logger Datasheet\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-7VAR-RS-DS-En.pdf?v=1731589856\" data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-DS-En.pdf?52\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cimg title=\"Three Phase Current Logger User Instructions\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" data-cke-saved-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/PDF_Icon_baff24dc-e625-4c76-ad42-bfe6a8a17d93.png?49\" alt=\"Three Phase Current Logger User Instructions\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-7VAR-RS-UI-En-EVA77.pdf?v=1731589856\" data-cke-saved-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-UI-En.pdf?52\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eUser Instructions (English)\u003c\/strong\u003e \u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFree Electrosoft PC software\u003c\/strong\u003e\u003cbr\u003eElectrosoft is compatible with Windows 11 down to Windows 7. It lets you view and zoom current, power and energy graphs, export data to Microsoft Excel, email results to colleagues, and print or save reports as PDF files with your company logo.\u003c\/p\u003e\n\u003cp\u003eElectrosoft includes statistics, load balancing, tariff and costing analysis, annual CO2 and energy usage projections, logger management and calibration management tools. Sample files are included so you can try the software without having a logger connected.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 1em; margin-bottom: 1.5em;\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 90px; padding: 10px 14px; border: 1px solid #e2e2e2; vertical-align: middle; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/Electrosoft_Icon_d3991672-01de-431e-8f5d-b336bbdcc959.png?101\" alt=\"Electrosoft software icon\" style=\"max-width: 48px; height: auto;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 18px; border: 1px solid #e2e2e2; vertical-align: middle;\"\u003e\u003ca href=\"https:\/\/electrocorder.com\/pages\/downloads\"\u003e\u003cstrong\u003eDownload Electrosoft PC software\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to hire the EC-7VAR-RS\u003c\/strong\u003e\u003cbr\u003eChoose this model when the investigation needs a full three-phase picture rather than voltage-only or current-only data.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompare with related hire models\u003c\/strong\u003e\u003cbr\u003eIf only current is needed, consider CT-3A-RS or EC-3A-RS. If only voltage is needed, consider EC-3V. If the job is single-phase, consider EC-2VA, CT-2VA or AL-2VA depending on the installation.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; margin-bottom: 1.25em; padding-left: 1.25em; list-style: disc;\"\u003e\n\u003cli\u003eRecords voltage, current, power, energy and power factor together.\u003c\/li\u003e\n\u003cli\u003eThree flexible Rogowski coils for practical fitting around larger conductors.\u003c\/li\u003e\n\u003cli\u003eFour fused voltage leads for L1, L2, L3 and neutral.\u003c\/li\u003e\n\u003cli\u003eUseful for energy audits, load surveys, fault finding and temporary power studies.\u003c\/li\u003e\n\u003cli\u003eConstant sampling to reduce the risk of missing short-duration or changing load events.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement note\u003c\/strong\u003e\u003cbr\u003eThe EC-7VAR-RS is a three-phase power logger. It should be installed by a competent person where voltage leads and current sensors are being connected.\u003c\/p\u003e\n\u003cp style=\"margin-top: 1.5em; margin-bottom: 0;\"\u003e\u003cstrong\u003eDetermining product order codes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo specify your Electrocorder select various codes and enter into the boxes in order to create an accurate product code. For example: EC-7VAR-RS-5H-IEC-IP43-SET.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/files\/EC-3A-RS-Order-Code.png?52\" alt=\"EC-7VAR-RS product order code diagram\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I choose the hire length?\u003c\/strong\u003e\u003cbr\u003eUse the product quantity as the number of whole weeks required. Part weeks are rounded up to the next whole week.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen does the hire clock start?\u003c\/strong\u003e\u003cbr\u003eThe hire clock starts the day after delivery and includes one extra day after the logging period for return.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho returns the logger?\u003c\/strong\u003e\u003cbr\u003eYou are responsible for returning the logger to us after the hire period using your own courier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I hire the EC-7VAR-RS?\u003c\/strong\u003e\u003cbr\u003eHire it when you need a temporary three-phase logger for voltage, current, power, energy and power factor analysis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for energy audits?\u003c\/strong\u003e\u003cbr\u003eYes. It is one of the best rental choices for three-phase energy audits and load surveys.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it measure all three phase voltages and currents?\u003c\/strong\u003e\u003cbr\u003eYes. It uses three flexible current sensors and four voltage leads for L1, L2, L3 and neutral.\u003c\/p\u003e","brand":"Electrocorder","offers":[{"title":"5H - 50Hz \/ IEC - Bn\/Bk\/Gy\/Be \/ IP43","offer_id":30279913766998,"sku":"RENTAL-EC-7VAR-RS-5H-IEC-IP43","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ IEC - Bn\/Bk\/Gy\/Be \/ IP65","offer_id":30279913832534,"sku":"RENTAL-EC-7VAR-RS-5H-IEC-IP65","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ ANZ - Rd\/We\/Be\/Bk \/ IP43","offer_id":30279913701462,"sku":"RENTAL-EC-7VAR-RS-5H-ANZ-IP43","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ ANZ - Rd\/We\/Be\/Bk \/ IP65","offer_id":30279913734230,"sku":"RENTAL-EC-7VAR-RS-5H-ANZ-IP65","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ NOR - Bk\/We\/Bn\/Be \/ IP43","offer_id":30279913865302,"sku":"RENTAL-EC-7VAR-RS-5H-NOR-IP43","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"5H - 50Hz \/ NOR - Bk\/We\/Bn\/Be \/ IP65","offer_id":30279913898070,"sku":"RENTAL-EC-7VAR-RS-5H-NOR-IP65","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ IEC - Bn\/Bk\/Gy\/Be \/ IP43","offer_id":30279913996374,"sku":"RENTAL-EC-7VAR-RS-6Z-IEC-IP43","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ IEC - Bn\/Bk\/Gy\/Be \/ IP65","offer_id":30279914029142,"sku":"RENTAL-EC-7VAR-RS-6Z-IEC-IP65","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ CAN - Rd\/Bk\/Be\/We \/ IP43","offer_id":30279913930838,"sku":"RENTAL-EC-7VAR-RS-6Z-CAN-IP43","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ CAN - Rd\/Bk\/Be\/We \/ IP65","offer_id":30279913963606,"sku":"RENTAL-EC-7VAR-RS-6Z-CAN-IP65","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ USA - Bk\/Rd\/Be\/We \/ IP43","offer_id":30279914061910,"sku":"RENTAL-EC-7VAR-RS-6Z-USA-IP43","price":135.0,"currency_code":"GBP","in_stock":true},{"title":"6Z - 60Hz \/ USA - Bk\/Rd\/Be\/We \/ IP65","offer_id":30279914127446,"sku":"RENTAL-EC-7VAR-RS-6Z-USA-IP65","price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/products\/rental-electrocorder-ec-7var-rs-three-phase-voltage-current-power-factor-data-logger-372241.png?v=1570696280"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/9503\/4198\/collections\/current-loggers-150757.png?v=1570696177","url":"https:\/\/electrocorder.com\/collections\/current-loggers\/ac.oembed","provider":"Electrocorder","version":"1.0","type":"link"}