Fangrui Product Details 1. Duoyi Digital Ground Resistance Meter Tester 2. Ground Resistance Re (rg When Testing Soil Resistivity P) 3. Range: 2 Ohms20 Ohms200 Ohms2000 Ohms (test Range: 0.03~2.000 Ohms0.03~20.00 Ohms0.03~200.0 Ohms0.03~2000 Ohms) 4. 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) 5. Soil Resistivity Test: 4-pole Method (only Applicable To Dy4100b) 6. 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 7. Voltage To Ground (ac Voltage): 600v Test Range 0~600vac 8. Photovoltaic Voltage (dc Voltage): 1500v Test Range: 0~1500vac 9. Test Method: Voltage Drop Method (applicable To The Current And Voltage Test Of The Probe) 10. Display: Segment Lcd Display, Display Backlight 11. Battery Voltage Warning: Battery Logo Display 12. 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 13. Input Exceeds Display: Display "ol" 14. Automatic Shutdown Function: If There Is No Operation For 5 Minutes After The Key Operation, The System Will Enter The Automatic Shutdown State 15. Overload Protection: Ac280v10 Seconds Between E-s Ports 16. Withstand Voltage: Ac3540v (5060hz)5 Seconds Between Electrical Circuit And Outer Box 17. Insulation Resistance: 50 Milliohms Or Moredc 1000v Between Electrical Circuit And Outer Box 18. Power Supply: 6 Aa Batteries (not Included) 19. 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 20. High-definition Display, Clear Reading, Easy Measurement 21. Multiple Gear Selection, Adjustable According To Different Needs 22. Suitable For Measurement In Power, Post And Telecommunications, Railways, Petroleum, C