Suitable for use in the repair, testing, and calibration of various electrical equipment as an insulation tester.

It features a built-in lithium battery power supply, allowing it to be used immediately upon turning on.

Suitable for use in the repair, testing, and calibration of various electrical equipment as an insulation tester.

It features a 3 1/2 digit large LCD screen with high resolution for easy reading.

There are four rated insulation test voltages available, with strong load capacity.

It is convenient to operate, portable, accurate, reliable, and stable.

With low power consumption, it is powered by a 12V/1.8AH lithium battery for long usage time. (Alternatively, it can be powered by AC 220V.)

When the battery voltage is insufficient, an under-voltage symbol " " is displayed.

It has a structure that is shockproof, dustproof, and moisture-proof, suitable for harsh working environments.

The protection function is comprehensive, capable of withstanding short circuits and residual voltage impacts from the tested electrical appliances.