Feature: 1. APPLICABLE SCENARIO: Insulation resistance tester is widely use to measure the insulation resistance of generators, motors, power transformers, wiring, electrical appliances and other electrical devices(such as control, signal, communication and power cables) 2. AUTOMATIC DISCHARGE: When megohmmeter test the insulation resistance of capacitive load, the charging charge is automatically released after measurement, and the discharge state can be confirmed in the voltage mode 3. LARGE LCD BACKLIGHT DISPLAY: Megohmmeter has a high definition LCD display, 5000 words display, clear writing, no parallax, with unit symbol display and backlight, can be use at night or in the dark 4. CONVENIENT AND PORTABLE: Insulation resistance tester support multi level voltage selection, change at any time, easy to use. The neck strap for hands free operation, easy man‑machine operation, portable, strong and suitable for field use 5. SUPPORT CALIBRATION: The digital insulation resistance tester adopt panel calibration technology, the instrument is connected with the standard, the instrument panel calibration operation is carried out according to the regulations, and the corresponding calibration data is stored, so as to complete the periodic calibration work of the instrument and ensure that it achieves the due accuracy and performance Specification: Item Type: Insulation Resistance Tester Model: VC60B+ Insulation Resistance Measurement Range: 250V: 0.4MΩ - 999MΩ 500V: 0.6MΩ - 1999MΩ 1000V: 0.8MΩ - 4999MΩ Voltage Measurement: DC±(20-1000)V; AC 20V-750V Display: Digital: Maximum (60B+: 5000) character display, white backlight Operating Temperature And Humidity: 0-40℃, relative humidity ≤85%(no condensation) Storage Temperature And Humidity: -20-60℃, relative humidity ≤90%(no condensation) Accuracy Guarantee Temperature And Humidity: 23±5℃, relative humidity ≤75%(no condensation) Operating Environment Conditions: Indoor, outdoor use(not waterproof), altitude 0-2000 meters Overrange Indication: Voltage: 0L; 60B+ Insulation Resistance: >0.999G, >1.999G, >4.999G Battery Type: 8 x 1.5V(LR6) AA alkaline battery(not included) Low Battery Display: Low battery indicator Auto Power Off: Default to about 15 minutes of no operation. Package List: 1 x Main Unit 1 x Carrying Strap 2 x Test Probes 2 x Crocodile Clips 1 x User Manual