HZ-3140 40A Transformer DC Winding Resistance Meter

HZ-3140 40A Transformer DC Winding Resistance Meter

HZ-3140 40A Transformer DC Resistance Meter introduction

Winding resistance of the transformer will test the project of a transformer manufacturing semi-finished products,finished appearance test,installation, testing and transfer of power sector preventive trials , which can effectively find the transformer coil selection, welding, loose joints, missing stocks, disconnection and other manufacturing after the existence of hidden defects and running.

HZ-3140 40A Transformer DC Resistance Meter Functions and Features

Large output current, wide measuring range, small size, light weight, simple operation

High test speed, high precision, retest good, strong anti-jamming capability

With perfect protection circuit, high reliability

With discharge audible alarm function, clear discharge instructions , to reduce misuse

HZ-3140 40A Transformer DC Resistance Meter technical Parameters

Output currents   40A 20A 10A 5A 2.5A

Measure range     40A:100µO~500mO     20A:250µO~1O    

                             10A:500 µO ~2O          5A:1mO~4O

                              2.5A:2mO~8O

Resolution      0.1µO        

Accuracy    ± (0.2%+2words)

Dimensions     390mm×235mm×245mm        

Instrument weight    12kg

HZ-3140 40A Transformer DC Resistance Meter Conditions of Use

Ambient temperature   -10?~50?

Humidity    =85%RH

Power Supply AC220V ± 10%

Power frequency   50 ± 1Hz