Product Description
HZ-3140 transformer DC resistance tester introduction
DC 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 transformer DC resistance testerFunctions 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 transformer DC resistance testertechnical Parameters
Output currents 40A 20A 10A 5A 2.5A
Measure range 40A:100µΩ~500mΩ 20A:250µΩ~1Ω
10A:500 µΩ ~2Ω 5A:1mΩ~4Ω
2.5A:2mΩ~8Ω
Resolution 0.1µΩ
Accuracy ± (0.2%+2words)
Dimensions 390mm×235mm×245mm
Instrument weight 12kg
Conditions of Use
Ambient temperature -10℃~50℃
Humidity ≤85%RH
Power Supply AC220V ± 10%
Power frequency 50 ± 1Hz