Feature:1. Auto Range Insulation Resistance Meter Tester Earth Tester Megohmmeter AC Voltmeter w/LCD Backlight2. Test Voltage: 100V/250V/500V/1000V 0%~10%3. AC Voltage (V): 30V~750V (2%+3)4. Alarm Light Display5. High Voltage Indication6. 2000 count display, Data hold function7. Various indicators available on the insulation tester8. Ports for test leads, Large test initiate button9. Measure insulation resistance across a wide range10. Large size LCD screen with backlight can be switched on/offSpecification:Features:For measuring insulation resistance, AC voltage, DC voltage, etc.2.7"(65*25mm) large LCD screen with large digital-readout with backlight for clear reading.Overload indication for safety operation.Automatic measurement and discharge voltage automatically.Red alarm light is on when high voltage outputs.Low battery indicator to remind you to replace battery to ensure measurement accuracy.10M internal resistance test.Features of high accuracy, stable performance, easy operation and reliability.Professional in electric equipment maintenance, testing and inspection.Red lid to protect the button and screen of the meter.Storage pouch included, smooth zipper closure.Specifications:Model: UT501AMaterial: PPMax. Display: 1999Insulation Resistance(): Test Voltage: 100V/250V/500V/1000V 0%~10%100V: 0.00M~100M ±(3%+5)250V: 0.00M~99.9M ±(3%+5) ; 100M~5.5G ±(5%+5)500V: 0.00M~99.9M ±(3%+5) ; 100M~5.5G ±(5%+5)1000V: 0.00M~99.9M ±(3%+5) ; 100M~5.5G ±(5%+5)Load Current: 50V(R=50K) 1mA 0%~10% ; 100V(R=100K) 1mA 0%~10% ; 250V(R=250K) 1mA 0%~10%500V(R=500K) 1mA 0%~10% ; 1000V(R=1M) 1mA 0%~10%Short Circuit Current: <2mAAC Voltage (V): 30V~750V ±(2%+3)Working Temperature: 0~35Storage Temperature: -20~60Power: 6 * 1.5V Alkaline batteries (not included)LCD Size: 65 * 25mm / 2.56 * 0.98inItem Size: 150 * 100 * 71mm / 5.91 * 3.94 * 2.79inItem Weight: 588g / 20.75ozPackage List:1 * UNI-T UT501A Insulation Resistance Meter1 * Pair Test Lead1 * Pair Alligator Clips1 * Carrying Bag1 * English ManualPackage List:1 * UNI-T UT501A Insulation Resistance Meter1 * Pair Test Lead1 * Pair Alligator Clips1 * Carrying Bag1 * English Manual