Metering Current Transformers

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.

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Dent Instruments

Dent Instruments CT-SCM-0400-U : 400 A Medium Split-Core Current Transformer; 1.25" (32mm) Opening; Current Range: 8 - 520A AC, Output 333 mV @ 400A AC, 3 Meter / 9.8' Lead

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MSRP: $88.00

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Now: $73.00
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Dent Instruments

Dent Instruments CT-R16-A4U-15M : 16" RoCoil Rogowski Coil Current Transformer, Opening: 4.5" (11.5 cm), Current Range: 5-5000A AC, 15 Meter / 49' Lead

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Dent Instruments

Dent Instruments CT-CON-0150EZ-U : 150A Clamp-On Current Transformer, 1" (25mm) Opening, Range: 5 to 300A, Output : 333 mV @ 150A AC, Leads : 8' (2.4M)

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MSRP: $105.00

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Now: $88.00
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Dent Instruments

Dent Instruments CT-HSC-020-U-7M : 20A High Performance Mini Split-Core Current Transformer; 0.4" (10mm) Opening; Current Range: 0.25 - 40A AC, Output 333 mV @ 20A AC, 7 Meter / 23' Lead

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MSRP: $48.00

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Now: $40.00
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Dent Instruments

Dent Instruments CT-R24-A4U-7M : 24" RoCoil Rogowski Coil Current Transformer, Opening: 7.0" (17.9 cm), Current Range: 5-5000A AC, 7 Meter / 23' Lead

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Dent Instruments

Dent Instruments CT-HSC-050-U-7M : 50A High Performance Mini Split-Core Current Transformer; 0.4" (10mm) Opening; Current Range: 0.25 - 80A AC, Output 333 mV @ 25A AC, 7 Meter / 23' Lead

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MSRP: $48.00

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Now: $40.00
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Functional Devices

Functional Devices CT-025A1-333 : Current Transformer, Split Core, 333mV Output, 25 Amp, Wire Leads

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MSRP: $115.63

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Now: $57.82
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Functional Devices

Functional Devices CT-05A0-333 : Enclosed Split-Core Current Transformer, 5 Amp, 333mV output

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MSRP: $57.12

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Now: $28.56
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Senva

Senva CT-F09 : Flexible Rogowski CT, 9” Coil, Rated for 6000A, Standard mV/kA output, Accuracy <±1% of Reading

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MSRP: $285.48

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Now: $114.00
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Senva

Senva CTC24A1 : 24 Channel Multi-Circuit Monitoring CT Interface Board; Utilizes CTs with bare leads

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MSRP: $904.00

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Now: $354.45
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Dent Instruments

Dent Instruments CT-RGT12-0100-U : 100A Solid-Core Current Transformer, 0.5" (12.8mm) Opening; Current Range: 1.0-200A AC, Output 333 mV @100A AC, 2.4 Meter / 8' Lead

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MSRP: $40.00

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Now: $33.00
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Dent Instruments

Dent Instruments CT-SCCM-0200-U : 200 A Round Medium Hinged Split Core Current Transformer

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MSRP: $82.00

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Now: $68.00

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