3157 AC GROUNDING HiTESTER 交流接地電阻測試儀

3157 AC GROUNDING HiTESTER

交流接地電阻測試儀

The Hioki 3157 is an AC ground bond tester designed for protection circuit testing of a wide range of electrical equipment, including industrial machinery, medical equipment, and measuring instruments using a constant current system, enabling it to provide stable output current.

Key Features

• Easily perform protective continuity testing in compliance with international safety standards and laws

-1) Protective continuity resistance measurement for medical devices and general electrical devices

-2) Ground connectivity testing when installing electrical machine tools and distribution panels

-3) Testing of protective grounding and isopotential grounding work for medical equipment

-4) Evaluation of contact status using large currents

• Feedback control system that is capable of applying a stable current even with a fluctuating load
• Soft-start function that checks the connection to the device under test before applying the current