BR Series Rogowski Coil Flexible Current Transformer

Product Features

The BR series flexible Rogowski coil is a high-sensitivity flexible current sensor that can be directly integrated with portable devices such as power analyzers. It is suitable for energy consumption monitoring, high-frequency current monitoring, DC ripple measurement, and more. Customizable in different sizes upon request.

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Information

Specifications

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Advantage

Appearance

Model

Type
Flexible Rogowski coil
Models
BR-60 / 90 / 150 / 200 / 300
Ratio
100 ±0.5% mV/kA @50 Hz
Bandwidth
1 Hz – 10 kHz
Linearity
±0.2%
Insulation
Coil 3000 V

Specifications

General	Product type	Flexible Rogowski coil, opening type
	Sensitivity	100 ±0.5% mV/kA at 50 Hz
	Other sensitivities	Made to order
	Bandwidth	1 Hz – 10 kHz
	Linearity	±0.2%
	Position error	±1%
	Offset (zero drift)	≤1 mV
	Angle error	≤0.5°
	Cross-section	12 mm
	Signal line length	2 m standard, customisable
Isolation	Insulation voltage	Coil 3000 V, signal line 300 V
Isolation	Shield	Coil 100%, signal cable 100%
Environment	Operating temperature	−40 °C ~ +80 °C
	Storage temperature	−50 °C ~ +90 °C
	Flame retardant	IEC 60332-1-2

Models

BR-60	Perimeter 200 mm · inner Φ60 mm	Reference current 1000 A
BR-90	Perimeter 300 mm · inner Φ90 mm	Reference current 1000–2000 A
BR-150	Perimeter 500 mm · inner Φ150 mm	Reference current 2000–5000 A
BR-200	Perimeter 650 mm · inner Φ200 mm	Reference current 4000–8000 A
BR-300	Perimeter 1000 mm · inner Φ300 mm	Reference current 5000–10000 A

Position error

Adjacent to the connector	< 0.5%
Adjacent to the inner coil edge	< 1%

Features

Linearity	Excellent linearity over the full range	■
Overload	Strong overload capacity	■
Interference	Small interference from adjacent conductors	■
Safety	No open-circuit high voltage danger	■
Consumption	Zero power consumption	■
Installation	Soft and light, single-hand opening	■