How to check if the transformer tester is working properly?

Connect the wires as shown in the diagram, and short-circuit S1 of the instrument's "voltage output", S1 of "voltage measurement 1", and P1 of "voltage measurement 2"; Short circuit S2 for "voltage output", S2 for "voltage measurement 1", and P2 for "voltage measurement 2". Connect the multimeter to the "voltage output" and select the AC voltage gear. Enter System Settings ->Calibration, press the number 010101 to display the following interface:

Set the S1-S2 voltage output to a value below 15V, and the readings of the instrument's "S1-S2 voltage measurement" and "P1-P2 voltage measurement" should be consistent with the reading of the multimeter. If it is necessary to check whether the output and measurement of the instrument are normal under higher voltage, the "Voltage Measurement 2" test line needs to be removed. The maximum output voltage of "Voltage Output" is 360V, and the maximum input voltage of "Voltage Measurement 1" is 360V.

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If there is no output voltage or the voltage measurement does not match the display of the multimeter, you can contact our company for factory repair at 0311-68021322