This manual introduces the HIOKI 3151 Earth HiTester, covering its features, component identification, and safety requirements. It explains the IEC 61010 safety standard compliance and the applicable CAT I over‑voltage category for safe use in various environments.
The document details measurement principles, preparation steps, three‑electrode and two‑electrode methods, as well as maintenance tasks such as battery replacement, cleaning, and service procedures. It also includes inspection guidelines to verify the unit and accessories upon delivery. This manual is written in Japanese.
| Safety standard | IEC 61010 |
|---|---|
| Battery type | 3‑cell manganese dry cell (R6P) |
Inspect the unit for any damage or missing accessories before use, paying special attention to the panel switches and terminals.