SJ1 Digital Grounding Resistance MeterDetailed product description：

The SJ1 digital grounding resistance tester is specifically designed to measure the internal resistance of grounding strips in various power systems, electrical equipment, lightning rods, and other grounding devices. This product is a fully electronic instrument composed of integrated resistors, with advanced testing principles, stable and reliable circuits, intuitive night crystal display, simple and safe operation. This product has been equipped with an AC voltage range to facilitate users in measuring ground voltage.

Resistance: 0-199.9 ΩΩ
Accuracy: 3%