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Functional Devices
Functional Devices CT-025A1-333 : Current Transformer, Split Core, 333mV Output, 25 Amp, Wire Leads
MSRP: $134.70$67.35 -
Functional Devices
Functional Devices CT-05A0-333 : Enclosed Split-Core Current Transformer, 5 Amp, 333mV output
MSRP: $134.70$67.35 -
Senva
Senva CTC24A1 : 24 Channel Multi-Circuit Monitoring CT Interface Board; Utilizes CTs with bare leads
MSRP: $1,045.00$450.83 -
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Dent Instruments
Dent Instruments CT-SCCM-0200-U : 200 A Round Medium Hinged Split Core Current Transformer
MSRP: $82.00$68.00 -
Dent Instruments
Dent Instruments CTRCFX16L1800A7MSTV1 : 16" RoCoil Rogowski Coil Current Transformer, 5-1800A Range, 131 mVAC/1000A @ 60 Hz, 7M Leads
MSRP: $175.00$144.00 -
Dent Instruments
Dent Instruments CTRCFX36L4000A3MSTV1 : 36" RoCoil Rogowski Coil Current Transformer, 5-4000A Range, 131 mVAC/1000A @ 60 Hz, 3M Leads
MSRP: $255.00$206.00 -
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AccuEnergy
AccuEnergy RIK-5A-KIT : 5A Output Integrator with Power Supply, Includes (3) 16” Rogowski Coils, Rated Output: 5A
MSRP: $750.00$712.50

Metering Current Transformers
Current transformers (CTs) for metering are categorized into two accuracy classes: Standard Accuracy CTs, offering 0.5 – 1% accuracy for general metering projects, and Revenue Grade CTs, ANSI-certified for superior accuracy in revenue metering applications. The options include Split Core, Clamp On, and Rogowski coils. To select the right CT, a systematic approach is recommended, answering key questions about the power meter, anticipated amperage, need for revenue-grade accuracy, and project duration.