This manual introduces the operation of METRA HIT 27EX Milliohmmeter, including installation, operation and maintenance.
This document provides detailed operating instructions for the METRA HIT 27EX milliohmmeter, designed for use in potentially explosive environments. It covers safety precautions, initial start-up, measuring functions, and maintenance. The device complies with EU directives and standards for explosion protection. Users must follow safety guidelines, including proper battery handling and avoiding operation in dusty atmospheres.
The manual includes sections on menu navigation, measured value storage, 4-pole milliohm measurements, and troubleshooting. It also details safety features such as type-tested housing, fuses, and warning symbols. The device is intended for qualified electricians and requires careful handling to ensure safe operation.
| Explosion Protection | Designed for deployment in potentially explosive atmospheres (IIA T4) |
|---|---|
| Operating Temperature Range | –10 °C to +50 °C |
| Standards Compliance | EN IEC 60079-0:2018, EN 60079-11:2012 |
| Type Test Certification | INERIS 05ATEX0040, ISSUE 04 |
The device operates between –10 °C and +50 °C.
It complies with EN IEC 60079-0:2018, EN 60079-11:2012, and has EU type test certification INERIS 05ATEX0040, ISSUE 04.
No, the instrument may not be used in a dusty atmosphere.