Digital Insulation Tester With (1) Voltage Variable Up To 1 Kv (That Is 50 V, 100 V, 250 V, 500 V And 1000 V), (2) Insulation Measuring Range 0.01 M Ohm To 2 G Ohm. (3) Accuracy: / 5 Percent . (4) Resolution: 0.01 Mega Ohm. (5) Maximum Operating Temperature: 60 Degrees Celsius. (6) Operating Humidity (Rh) 90 Percent At 40 Degree Centigrade. (7) Low Resistances Measurement: 0.01 Ohm To 99.9 Ohms. (8) Voltage Measurement Up 600 V, Ac/Dc. (9) Live Circuit Detection: >25 V With Following Accessories: