DUOYI DY5106A digital insulation resistance tester.
It can measure insulation resistance up to 200GΩ.
It offers six test voltages: 100V, 250V, 500V, 1000V, 2500V, and 5000V.
Features include data hold, auto range, auto power off, and an LCD backlight.
It is designed with high voltage and short circuit buzzer alarms for safety.
Disclaimer: Use of this equipment requires proper training and adherence to safety guidelines to prevent electric shock and ensure accurate measurements.