HZ-3140A 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: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

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

Instrument panel

~220V：Power switch, machine power input, AC socket, safety and switch.

Earthed： Earthed terminal，used for whole instrument earthing,for safety protection.

RST：machine restore the initial status，pre-set the current output.

Circle: select menu.

SEL：Setup the current after the tester was reset.

S-up key：press the key after selecting the current; The microcomputer control to realize all testing process.

I+、 I-：Current output terminals ,I+ is the positive current; I- is the negative current.

V+、V-：Voltage input terminals, V+ is the positive voltage;V- is the negative voltage.

RS232: Universal series interface, can controlled by computer.

USB: Can output the testing results to USB.