The Smart Sensor ST4100 is a digital clamp-style ground earth resistance tester. It is designed for professionals to safely and quickly measure the resistance of electrical grounding systems without needing to disconnect the ground wire or use auxiliary electrodes.
With a resistance range of 0.010Ω to 500Ω with a 0.001Ω resolution. The clamp size is 55mm x 32mm (Φ1.26"/32mm). It is compliant with IEC61010-1 safety standards and measures 295 x 85 x 58mm.
Typical applications
The ST4100 is used by professionals for testing grounding resistance in various industries. These applications include telecommunications, electric power and distribution, meteorology, engine room and factory grounding networks, oil fields, electromechanical installation, lightning protection systems, and gas stations.