T1601 Auto Ranging Insulation Tester

Range: 4,000Mohm/1,000V, 4,000Mohm/500V, 4,000Mohm/250V Display: 3 3/4 large LCD display with back light. Sampling rate: 2.5 times/sec. Data hold function. Power lock for 3 minutes (auto power off). Accuracy: 3% rdg + 5 count (under 1G ohm) 5% rdg + 3 count (under 4G ohm) AC Voltage: 600V (1.5%rdg + 3dgt)