Winding Resistance Tester

HM5002S-10A DC Winding Resistance Tester Wiring and Operation Video

   It mainly consists of three parts: the output, display and keyboard control, and the printer, which will be introduced in detail:

2.The output:

    There are four connect blots in the output. Two of the outside are constant current source outputs, where testing current runs through and goes to the resistance or transformer to be tested. The other two of the inside test the voltage input, where the voltage value in the resistance to be tested comes from.

3.Display and keyboard control:

     The testing resistance value and operation information are displayed by the monitor, a 128×64 dot-matrix LCD. The screen is divided into three zones: the upper zone displays present testing current; the mid-zone displays testing resistance value and the lower zone shows the function of the buttons, which may be different because of different working states (relevant detailed information will be introduced later).

     The button at the lower left side is the reset button, which can make the equipment return to the initial state when it is deadlock or interfered seriously. The data saved in the equipment will not lose in such conditions. There are four buttons in the middle, differently displayed because of working states, which will be further introduced. At the lower right side, there is a hole for regulating contrast ratio of the LCD.

4.The printer

  It is a printer of 16 lines with mini panel, which is durable, quick-reacted, which is easy to change printing paper and ink ribbon and without a need of extra maintenance. When there is power supplied for the equipment, the indicator light is on, which means the printer is standby. The data will be printed if the button of print is pressed either during the testing process or after the testing.

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