High-precision AC and DC Hall current sensors

Main Characteristics

*  Measures AC, DC and pulsed  signals

*  Excellent accuracy,  good linearity

*  Strong resistance to external interference, high common mode rejection ratio

*  Low temperature drift, low power consumption, wide frequency band

*  Split structure, easy to install

Application                      

*  AC frequency conversion speed regulation

*  Servo motor traction

*  Uninterruptible power supply(UPS)

*  Welding machine, battery power supply


Specification

Specification

50A/4V

200A/4V

500A/4V

Unit

I PN

Primary Rated Input

Current

50

200

500

A

IP

Primary Current

Measurement Range

0~100

0~400

0~1000

A

VSN

Secondary rated

output voltage

4

V

VC

The Power Supply

Voltage

±12~15(±5%)

V

IC

Current Consumption

<25

mA

Vd

Insulation Voltage

Between primary and secondary circuits:2.5kV/50Hz/1min


ε L

Linearity

<1

%FS

X

Precision

TA =25℃:≤±1

%

V0

Offset Voltage

TA =25℃:≤±20

mV

VOM

Magnetic Offset

Voltage

IP=0 after 3*ITPN:≤±20

mV

VOT

Offset Voltage

Temperature Drift

IP =0 TA =-40~+80℃:≤±1

mV/℃

Tr

Response Time

≤5

μS

f

Bandwidth(-3dB )

DC~20

KHz

TA

Working Temperature

-40~+80

TS

Storage Temperature

-45~+85

RL

Load Resistance

TA =25℃:≥10


Structure and Dimension                


Circuit link diagram

Note:

IPN:Primary current input direction

+ :Positive 12V/15V power supply

- :Negative 12V/15V power supply M :Secondary signal output

G :Power ground OFS:Zero adjustment GIN:Amplitude adjustment


Installation Precautions                  

*  The sensor should be wired correctly, otherwise it may damage the internal components of the sensor

*  Dynamic performance (di/dt and response time) is best when the input current row is fully filled with the primary perforation


Open-loop (Directly Measurement Type) hall Current Sensor

Direct measurement high-precision AC/DC Hall sensor

AC/DC closed-loop (magnetic balance) Hall current sensor

The closed-loop (magnetic balance) Hall current sensor

DC Output 4-20mA Hall Effect Current Transformer