Tester Type = Electrical Safety Tester / Insulation Resistance Min. kOhm = 100 / Insulation Resistance Max. GOhm = 50 / Insulation Resistance Accuracy = ±5 ... ±20 % / Other Measuring Ranges = AC Voltage: 50 V ... 5 kV / Other Measuring Ranges = DC Voltage: 50 V ... 6 kV / Short Circuit Current mA = 100 / Display Type = LCD / Interface Type = RS232 / Interface Type = Signal I/O / Interface Type = USB / Measuring Functions = AC Voltage / Measuring Functions = DC Voltage / Measuring Functions = Insulation Resistance