
General
BR Series High Sensitivity Flexible Rogowski Coil is a flexible current sensor with high sensitivity, which can be directly combined with portable devices such as power analyzer. BR series applies to energy consumption monitoring, high-frequency monitoring, DC ripple measurement, ect. The size can be customized accordingly.
Dimension
Model Name |
BR-90 |
BR-150 |
BR-200 |
BR-300 |
Inner Diameter |
90mm |
150mm |
200mm |
300mm |
Sector Diameter |
12mm |
12mm |
12mm |
12mm |
Circumference |
300mm |
500mm |
650mm |
1000mm |
Primary Input [AC] |
1000A |
2000~5000A |
4000~8000A |
5000~10000A |
Secondary Output |
200/333mV |
200mV |
200mV |
200mV |
Installation
Noted: Before installing the Rogowski CT on monitoring circuits, first you need to wire the Rogowski CT with paired energy meter.
Noted: The clamping up installation direction of CT must be according to the actual forward current direction. [Normally consider the direction from source to loads as forward current direction]
Type |
BR-90
|
BR-150
|
BR-200 |
BR-300 |
Perimeter
|
300mm
|
500mm
|
650mm
|
1000mm
|
Internal Diameter
|
90mm
|
150mm
|
200mm
|
300mm
|
Refence Current
|
1000A
|
2000-5000A
|
4000-8000A
|
5000-10000A
|
Cross-Section
|
12mm
|
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Signal Line Length | Default: 2m, can be customized | |||
Transformation Ratio |
200±0.5%mV/kA@50Hz, Other sensitivities can be customized
|
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Position Error | ±1% | |||
OA Output (Zero Drift) |
≤1mV
|
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Angle Error |
≤0.5°
|
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Linearity
|
±0.2% | |||
Bandwidth
|
1Hz - 10kHz | |||
Operation Temperatures | -40℃ - 80℃ | |||
Storage Temperatures
|
-50℃ - 90℃ | |||
Flame Retardant |
Thermoplastic Rubbers for Wires and Cables
IEC-60332-1-2 Flame Retardant Class
|
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Shield
|
Coil 100%, Signal Cables 100%
|
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Insulation Voltage
|
Coil: 3000V; Signal Line: 300V |


