The ESD-140 DC Ground Bond Tester is a device used to measure grounding resistance. It has the following features:
1. Wide measurement range, can measure grounding resistance from 0.01Ω to 100kΩ;
2. High accuracy, with a measurement accuracy of up to 0.5%;
3. High resolution, with a resolution of up to 0.001Ω;
4. Good stability, with stable and reliable measurement results;
5. Easy to operate and carry.