"Analogue insulation measuring device, low-impedance measuring device and voltmeter with beeper in one device. Quick measurements in accordance with VDE 0413 part 1 \/ 2 \/ 4. Insulation measurements with measuring voltages of 100, 250, 500 V. Low-impedance measurements of earth wire and potential wire resistance, continuity. Beeper and flashing LED as alarm for faulty or implausible measurements. Fluctuating indicator as final indicator of warning functionsTester Type = Insulation Resistance TesterMinimum Test Voltage = 100VMaximum Test Voltage = 500VMaximum Insulation Resistance Measurement = 400MOhmsDisplay Type = AnalogueTest Current = 200mAMinimum Operating Temperature = 0°CMaximum Operating Temperature = +40°CPower Source = BatterySafety Category Level = CAT II"