Feature:1. MEASURING RANGE: High voltage insulation resistance tester with a measuring range of 0.005M10.0T, support slope, filtering, voltage, capacitance, and current test.2. WATERPROOF BOX: This insulation resistance meter has a waterproof outer box, shockproof and impact resistant, and can be used in various harsh environments.3. LCD DISPLAY SCREEN: The insulation resistance test box adopts a high definition LCD display screen, with all functions displayed on the same screen, with rich colors.4. SIMPLE CONNECTION: The inner upper cover of the tester is marked with wiring diagram to reduce wiring errors, greatly improve electrical connection efficiency.5. BUILT IN BATTERY: The insulation resistance tester has a built in 5200mAh rechargeable lithium battery, ensuring long endurance, can be used anytime, anywhere.Specification:Item Type: Insulation Resistance TesterModel: ETCR3500BInsulation Resistance Range: 0.005M-10.0TShort Circuit Current: 5mA MaximumWorking Power Supply: 1 x 5200mAh Rechargeable Lithium Battery (built in battery)Polarization Index Test: YesAbsorption Ratio Test: YesCapacitance Testing Range: 10nF-25uF: Accuracy 10%rdg10nFCurrent Testing Range: 0.01nA-7mA; Accuracy 5%rdg0.5nACustom Setting Time: 10s-3600sTest Timer: Automatically record test timeTiming Range: 0s-9999sUpload Function: Upload the stored test data to the computer through a USB comm cable.Automatic Shutdown Function: Automatically shut down after 15 minutes of power onProtection Level: IP65 Close the cover, IP40 open the coverWorking Environment: -20-50; 80%RHStorage Environment: -25-65; 80%RHInsulation Resistance: 50M (1000V) (between the test line and the shell)Suitable Parameter: AC 3kV 50Hz 1min (between test circuit and enclosure).Package List:1 x Insulation Resistance Tester1 x Power Plug1 x Adapter1 x USB Cable3 x Test Cables1 x Measuring Pen1 x Crocodile Clip1 x Hook1 x Cloth Bag1 x User Manual1 x Accessory