The clamp type grounding resistance tester is a commonly used instrument for inspecting and measuring grounding resistance, and is also an indispensable tool for electrical safety inspection and completion acceptance on grounding engineering

1. Power supply: 6VDB (4 of No. 5 alkaline dry batteries)
2. Working temperature: -10 ℃ -55 ℃
3. Relative humidity: 10% -90%
4. Protection level: double insulation
5. Structural features: jaw method
6. Range shifting: automatic
7. External magnetic field: ＜ 40A/m
8. External electric field: ＜ 1V/m
9. Single measurement time: 0.5 seconds
10. Resistance measurement frequency: ＞ 1KHz
11. Maximum resolution for resistance measurement: 0.001 Ω
12. Resistance measurement range: 0.01-1000 Ω
13. Current measurement range: 0-30A (Type B)
14. Tested current frequency: 50/60Hz
15. Resistance alarm threshold setting range: 1-199 Ω
16. Current alarm threshold setting range: 1-499mA (B-type)

1. Convenience of operation.
2. High measurement accuracy.
3. Strong adaptability to the environment.
4. Multiple application scenarios.

HM2571B high-end multi-functional clamp earth resistance meter is with USB communication interface, storage data can be uploaded to the computer, through software analysis, report, printing and so on. At the same time, it could test 40A leakage current, increases real-time clock function to display present time, supports multi-parameter on-screen display function, can display grounding resistance and ground leakage current at the same time, which is more practical, convenient and efficient.