SENSOR MODULE  CHK-20R1~500R1

The SENSOR Module CHK-20R1~500R1 is an open loop Hall current sensor to measure 20A…500A DC, AC or

pulsed currents with a galvanic isolation between the primary and secondary circuits.

Open-loop Hall Current Sensor: 

Type

Nominal current

Output voltage

Accuracy

Supply voltage

Aperture

I_N（A）

V_M（V）

X（%）

Vc（V）

mm

CHK-20R1

20

±4

±1.0%

±12~15

￠21

CHK-50R1

50

Split core

CHK-100R1

100

CHK-200R1

200

CHK-300R1

300

CHK-400R1

400

CHK-500R1

500

Specifications: 

Principle

Open loop Hall effect principle

Input current

20…500A（DC、AC、Pulsed current）

Output voltage

±4V

Frequency

DC~20KHz

Accuracy

±1.0%

Response time

<10μS

Linearity

<1.0%

Supply voltage

±12~15V（±5%）

Consumption

25mA

Isolation voltage

Between primary and secondary circuit: 5KV RMS/50Hz/1min.

Operating temp.

-10…+70℃

Mounting on

Fastening on panel

Applications

Power supplies, welding machines, converters, industry auto-control, motor drives,

For industry

electronic power system, railways, rectifiers systems etc.

 Dimensions（mm）：