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R Series Split-core Flexible Rogowski Coil
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R Series Split-core Flexible Rogowski Coil

TR-R series split-core three-phase flexible Rogowski coils are mainly used for the measurement and protection of three-phase current in power lines. The output signal is the differential of the current against time, and through an integrator, the measured current can be truly restored.
Availability:
  • TRKLS-R

  • TR

The coil has excellent transient response ability, no hysteresis and magnetic and saturation phenomenon, wide measurement range, high precision and wide frequency response range. The split-core structure, flexible silicone rubber quilt and skeleton, can be used to measure the current of conductors with large size or irregular shape. The coil requires very little installation  space, light weight, simple and convenient installation, and no need to damage the conductor. It is widely used in the measurement of large currents where the traditional CT measuring current cannot be used normally.


Product Features

*  Split-core structure, easy to install on site and easy to operate. Quick and easy installation or removal without

disconnecting the primary cable under test, effective for safe and easy current testing;

*  Low output voltage, high linearity, wide frequency range, no saturation (without integrator);

*The secondary output adopts shielded wire, and the length can be customized according to customer requirements.

Scope of Application

*  Flexible structure design, can detect the current of irregular primary conductor;


Application

Measurement of high current AC signals (such as short-circuit current); measurement of pulse signals

with high peak values (such as lightning current); analysis of harmonic current signals; current measurement of electric welding machines (such as resistance welding); measurement of irregular conductor currents (eg: rail current measurement); instrument measurement, clamp meter transformers (eg: measuring conductors with irregular dimensions).



Working Temperature

-40℃+70℃

Relative Humidity

≤90%

Voltage Level

0.4/0.66/0.72KV

Accuracy Class

5%(without

integrator)

1%(with integrator)

Rated Input Current

10~2000A

Phase Error

≤60’(45HZ~

65Hz)

Linear Range

5%~120%

Response Bandwidth

1HZ~1MHz

Integrator Power Supply

5~15VDC

Insulation Strenth

1000MΩ/500V/min

Shell

PC Flame Retardant Grade94-V0

Secondary Lead

Shielded Wire

Skeleton and Quilt

Silicone Rubber

IP Protection Class

IP65


Module Definition


Typical value and Dimensions

Product

Model No.

Rated

Input

Rated

Output

Precision

Class

Dimensions(mm)

Φ1

Φ2

TR-100R

600A

333mV

0.5

1

100

8

TR-200R

1000A

50mV

200

8

TR-300R

1000A

90mV

300

10



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