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Split-core Three-phase Flexible Rogowski Coil
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Split-core Three-phase Flexible Rogowski Coil

RKLS-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.


Main Characteristics

*    plit-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;

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

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

*    The secondary output adopts RJ45 crystal terminal network cable, and the length can be customized according to customer requirements


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

1%(with integrator)

Rated Input

Current

10~2000A

Rated Output

Voltage

333mV

Linear Range

5%~200%

Response

Bandwidth

1HZ~1MHz

Integrator Power

Supply

5VDC

Insulation Strenth

1000MΩ/500V/min

Integrator Load Capacity

>10KΩ

Integrator with Capacitive

Capability

≤0.1μF

Shell

PC Flame Retardant

Grade94-V0

Secondary Lead

RJ45 Terminal Output

Skeleton and Quilt

Silicone Rubber

IP Protection Class

IP65


Typical Value and Dimension


Product Model No.

Rated

Input

Rated

Output

Precisio

n  Class

Dimensions(mm)

Φ1

Φ2

TRKLS-50R

400A

333mV

0.5

1

50

10

TRKLS-80R

800A

80

10

TRKLS-100R

1200A

150

10


RJ45 crystal head socket definition



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