Specification:Item Type: Insulation Resistance TesterMaterial: ABSModel: ETCR3520CProduct Rated Voltage: 250V, 500V, 1KV, 2.5KV, 5KV, 10kv, 15kvOutput Voltage Accuracy: ( 5%-10% )±10VInsulation Resistance Range: 0.005MΩ~30.0TΩShort Circuit Current: ≥7mA Voltage Range: DC: 0V-800V; Accuracy: ± 5% rdg ± 3V, AC:0V-700V; Accuracy: ± 5% rdg ± 3VWorking Power Supply: Rechargeable Lithium Battery 6200mAh x 1 ( Shipped With Built In Battery )Polarization Index Test: YesAbsorption Ratio Test: YesRamp Test Mode: 10% of the preset voltage as a step test until the preset voltageFilter Test Mode: 10S, 20S, 30S, 40S 4 ChoicesVoltage Test Range: AC, DC: 0V-1000V, Accuracy ±5% rdg±3VCapacitance Test Range: 10nF-200uF: Accuracy ±10% rdg±10nFReal Time Current Display Test Current Value, Current Display Range: 0.001nA-7.5mAVoltage Monitor: Monitor the voltage of the measured object, monitor the discharge status after the test, prohibit the test when the voltage is greater than 36V, protect the instrument and the operatorCustomized Setting Time: 10s-3600sTest Timer: Automatically Record Test Time, Timing Range: 0s-9999sHow to Use:Take out the insulation resistance tester and follow the manual to operate.packing list:1 x Insulation Resistance Tester1 x Power Plug1 x Adapter1 x USB Cable3 x Test Cable1 x Electricity Measuring Pen1 x Crocodile Clip1 x Hook1 x Cloth Bag1 x Manual1 x Accessory