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Split-core Flexible Rogowskicoil CT

JRF series
Rogowski-Coil
Certification : UL94-V0 Compliance
Feature
- AC current probe utility by the Rogowski principle
- Flexible and lightweight
- Easy & quick installation in uninterruptible power line
- Suitable to measure currents from mA to 100kA
- measurable from 10Hz to 20kHz
- Available shielding type on request
- Coil length from 20cm to 180cm
- No danger from open-circuited secondary
- High secondary output voltage & precise linearity error
Application
- Very high current monitoring
- DC ripple measurement
- Harmonics and transients monitoring
- Power monitoring & control systems
- Applicable in eletronic Watt-hour meter
Part Number JRF-1 JRF-2 JRF-3
Current Range 1-10kA 1-10kA 1-10kA
Output Voltage 169mV AC/500A @ 50Hz ,
202mV AC/500A @ 60Hz
344mV AC/1000A @ 50Hz ,
412mV AC/1000A @ 60Hz
692mV AC/2000A @ 50Hz ,
830mV AC/2000A @ 60Hz
Accuracy < 1% < 1% < 1%
Phase Shift < 1° at 50/60Hz
(typical < 0.5°)
< 1° at 50/60Hz
(typical < 0.5°)
< 1° at 50/60Hz
(typical < 0.5°)
Frequency Range 25Hz to 5kHz 25Hz to 5kHz 25Hz to 5kHz
Output
Sensitivity Tolerance
±5% maximum
(Uncalibrated)
±5% maximum
(Uncalibrated)
±5% maximum
(Uncalibrated)
±0.5% of reading at 25°C
(Calibrated)
±0.5% of reading at 25°C
(Calibrated)
±0.5% of reading at 25°C
(Calibrated)
Linearity
(10% to 100% of range)
±0.2% of reading ±0.2% of reading ±0.2% of reading
Conductor
Position Sensitivity
±2% maximum ±2% maximum ±2% maximum
Working Voltage 1000Vrms or DC (Probe) 1000Vrms or DC (Probe) 1000Vrms or DC (Probe)
Influence of
External Field
±2% maximum ±2% maximum ±2% maximum
Dielectric Strength 5kVrms/1min. (Coil closed) 5kVrms/1min. (Coil closed) 5kVrms/1min. (Coil closed)
Working Temp -20°C to +85°C -20°C to +85°C -20°C to +85°C

 

Split-core Flexible Rogowskicoil Transducer

 

    Under construction

 

J&D Electronics Co., Ltd. #487-3, Deokso-ri, Wabu-eup, Namyangju-si, Gyeonggi-do, South Korea (Zipcode:472-901)
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