HZ-3140 40A Transformer DC Winding Resistance Meter
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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
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