Rated voltage Open-circuit voltage 100V/250V/500V/1000V/2500V DC 100V +10%, -0% ～ DC 2500V +20%, -0% Insulation resistance test range 0.0MΩ～49.9GΩ Short-circuit current About 1.3 mA Insulation resistance accuracy ±5% ±5dgt AC voltage test range 30～600V (50/60Hz) ※Widely used to measure the insulation resistance of generators, motors, power transformers, distribution lines, electrical appliances and other electrical devices (such as control, signal, communication and power cables).
