Tester Insulation Resistance Tester 250V/500V/1000V High Definition LCD Display Resistance Meter For Electrical Equipment Testing

High-Definition LCD Display: The tester features a high-definition LCD display with a built-in backlight, allowing for easy reading of measurements in both brightly lit and dark environments and ensuring clear visibility of values at all times Multi-Voltage Design: Unlike traditional hand-cranked meters, this digital insulation resistance tester is designed with multiple voltage levels, allowing it to meet a wider range of voltage testing requirements High Accuracy: The insulation resistance tester boasts a high of accuracy, with a range of ±3%+5dgt for 0.00 milliohm -99 milliohm and ±5%+5dgt for 100 milliohm -11.0G Ohm , ensuring measurements and results Buzzer Alarm: The insulation tester is equipped with a buzzer alarm that sounds when the insulation resistance of the device being tested falls below 4 milliohm