DUOYI Digital Ground Resistance Meter Tester 1. Ground resistance Re (Rg when testing soil resistivity p) 2. Range: 2 ohms20 ohms200 ohms2000 ohms (test range: 0.03~2.000 ohms0.03~20.00 ohms0.03~200.0 ohms0.03~2000 ohms) 3. Soil resistivity: 2 ohms20 ohms200 ohms2000 ohms (test range: 0.2~376.8 ohms.m0.2~3768 ohms.m0.2~37.68k ohms.m0.2~376.8k ohms.m) 4. Soil resistivity test: 4-pole method (only applicable to DY4100B) 5. Soil resistivity refers to the resistance of soil to current per unit length and unit cross-sectional area, and is a measure of the soils resistance to current intensity 6. Voltage to ground (AC voltage): 600V Test range 0~600Vac 7. Photovoltaic voltage (DC voltage): 1500V Test range: 0~1500Vac 8. Test method: voltage drop method (applicable to the current and voltage test of the probe) 9. Display: segment LCD display, display backlight 10. Battery voltage warning: battery logo display 11. 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 12. Input exceeds display: Display "OL" 13. Automatic shutdown function: If there is no operation for 5 minutes after the key operation, the system will enter the automatic shutdown state 14. Overload protection: AC280V10 seconds between E-S ports 15. Withstand voltage: AC3540V (5060Hz)5 seconds between electrical circuit and outer box 16. Insulation resistance: 50 milliohms or moreDC 1000V between electrical circuit and outer box 17. Power supply: 6 AA batteries (not included) 18. When testing 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 19. High-definition display, clear reading, easy measurement 20. Multiple gear selection, adjustable according to different needs 21. Suitable for measurement in power, post and telecommunications, railways, petroleum, chemical industry, communications, mining and other departments 22. Dimensions: 173x125x68mm Packing list: - DY4100A instrument x 1 - Cloth bag x 1 - Manual x 1 - Certificate x 1 - Test line x 1 (red 15myellow 10mgreen 5mblack 5m) - Multimeter probe x 1 - Ground rod x 4