DUOYI Digital Ground Resistance Meter Tester 1. Ground resistance Re (Rg when testing soil resistivity p) 2. Range: 2 ohms20 ohms200 ohms2000 ohms 3. Test range: 0.03~2.000 ohms0.03~20.00 ohms0.03~200.0 ohms0.03~2000 ohms 4. Voltage to ground (AC voltage): 600V Test range 0~600Vac 5. Photovoltaic voltage (DC voltage): 1500V Test range: 0~1500Vac 6. Test method: voltage drop method (applicable to the current and voltage test of the probe) 7. Display: segment LCD display, display backlight 8. Battery voltage warning: Battery logo display 9. Continuous test times: In the 2 ohm range, test once every 30 seconds with a 1 ohm load, and can be repeated more than 400 times 10. Input exceeds display: Display "OL" 11. Automatic shutdown function: If there is no operation for 5 minutes after the key operation, the system will enter the automatic shutdown state 12. Overload protection: AC280V10 seconds between E-S ports 13. Withstand voltage: AC3540V (5060Hz)5 seconds between the electrical circuit and the outer box 14. Insulation resistance: 50 milliohms or more between the electrical circuit and the outer boxDC 1000V 15. Power supply: 6 AA batteries (not included) 16. When testing the ground resistance and soil resistivity, the series interference voltage will be automatically tested synchronously, and a prompt will be given if there is an abnormal test result 17. High-definition display, clear reading, easy measurement 18. Multiple gear selection, can be adjusted according to different needs 19. Applicable to measurement in power, post and telecommunications, railway, petroleum, chemical, communication, mining and other departments 20. Dimensions: 173x125x68mm Packing list: - DY4100A instrument x 1 - Cloth bag x 1 - Instruction manual x 1 - Certificate x 1 - Test line x 1 (red 15myellow 10mgreen 5m) - Multimeter pen x 1 - Ground rod x 2