earth resistance tester

Quantity Order:

earth tester/ single-double clamp earth tester:
1. when measuring by 2 pole, there is no need digging the auxiliary rod;
2. measure earth resistance and soil resistivity by 3-pole and 4-pole
3. measure AC voltage
4. display noise during test and signal when a battery is replaced
5. display signal when it exceeds test range
6. automatically terminate when misoperating

Recommend to your friends