Wired Arrester Monitor

Technical parameters

Operating temperature range

- 40 ℃~85℃

Input voltage

DC 12~36V

Total current RMS measurement range

100uA~50mA

Total current RMS measurement error

±(standard reading * 2% + 5u A)

Repeatability of RMS measurement of total current

<0.5%

Measurement range of resistive current fundamental peak value

10uA~10mA

Measurement error of the fundamental peak value of resistive current

±(standard reading * 5% + 2uA)

Repeatability of resistive current fundamental peak value measurement

<2%

Capacity ratio measurement range

0.05~0.5

Capacity ratio measurement error

±(standard reading * 2% + 0.01)

Capacity ratio measurement repeatability

<2%

Nominal operating current (peak value)

20kA

Residual voltage (peak value) under nominal operating current

≤1.5kV

Upper limit operating current (peak value)

20kA

Lower limit operating current (peak value)

50A

2000µs square wave inrush current (peak value)

2500A

4/10 High-current inrush current (peak value)

100kA

2-hour power frequency current withstand capability (RMS)

50mA

Communication methods

RS-485

Communication Protocol

ModbusRTU