5KV High Voltage Insulation Resistance Tester with Voltage Monitor Function 2TΩ
250V， 500V ， 1KV ， 2.5KV ， 5KV. The combination of knob switch and button makes the operation very simple. Polarization Index Test. The touch screen can easily check the historical data recorded. The fully isolated USB interface can upload the test data to the PC safely.