Insulation circuit tester device WADFOW WDM9506

Time of stumbling: *1; △N300 (500 milliseconds slow) *5; △N40 milliseconds (150 milliseconds slow) Current stumbling: (0.2-1.1); △N Connection voltage: 0 ~ 99.9 volts Alternating voltage: 0 ~ 440 volts Frequency: direct current, 45 ~ 65 Hz Loop resistance: 0.1 ~ 2000Ω RL test current: 0.51; △N Double current measurement power: *0.5, *1, *5 Current level (△N): 10mA, 30mA, 100mA, 300mA, 500mA Trigger phase angle: 0 or 180 with 6 AA LR6 batteries Auto power off Backlight USB 2.0 interface Packed in a color box