VC60B+ Digital Multimeter Measuring Instrument Digital Insulation Resistance Tester 1. The instrument uses a low-loss, high-ratio inductive storage DC voltage converter to convert 12 V to DC 250v 500v 1000v. 2. It uses a digital LCR bridge to measure resistance and insulation resistance. 3. Light weight, wide measurement range, backlight, test lock, automatic shutdown and other functions. 4. Wide measuring range: Up to 2000MOhm 1000v, accuracy (±) (4% of reading + 2 digits). 5. Large LCD display (90 x 48mm 3.54 x 1.89 inches) with backlight, the maximum display is "1999". 6. Data retention and automatic shutdown function. 7. Over-range indication: Display "1". 8. Low power consumption: less than 300 MW during no-load measurement. 9. Insulation resistance test is suitable for motors, cables, electrical equipment, communication equipment, etc. 10. Color: dark gray + green 11. Material: ABS 12. Output voltage: DC250V 500 V 1000 V, +-10% 13. Insulation range: 250 V: 0.1MOhm~20MOhm 20MOhm~500MOhm; 500 V: 0.1MOhm~50MOhm 50MOhm~1000MOhm; 1,000V, 0.1 Mohm 1002000 Mohm 14. Accuracy: +- (4% of reading + 2 digits) 15. Short circuit current: <1.6 mA 16. Average resistance: 250 V V 500: 2MOhm; 1000 V: 5 megohms 17. Voltage test: AC750V 18. Frequency response: (50-200) Hz 19. Terminal location: ACV and G 20. Maximum display: 1999 21. Measurement method: AD conversion 22. Sampling rate: 3 timessec. 23. Working temperature: 0-40 degrees Celsius 24. Humidity: 30%~85%RH 25. Power supply: 8 x 1.5V LR6 batteries (not included) 26. Product size: 170 x 125 x 60mm