This document provides information on the safety rules, precautions, model differences, range accuracy, technical specifications, instrument structure, LCD display, measurement principles, operating methods, battery instructions, mobile app usage instructions, and field applications of UT272+ UT273+ UT275+ clamp-on ground resistance testers.
This manual covers the safety rules, introduction, model differences, and technical specifications for the UT UT272+, UT273+, and UT275+ series of clamp-on ground resistance testers. It details the instrument's structure, LCD display indicators, and measurement principles based on loop resistance. This manual is written in Chinese.
| Resistance Range | 0.010Ω - 1000Ω |
|---|---|
| Bluetooth Support | UT275+ only |
| Power Supply | DC 6V (4 AA batteries) |
| Storage Capacity | 500 groups |
| Operating Temperature | -10℃～40℃ |
Only the UT275+ model includes Bluetooth functionality.
The accuracy is ±(1%＋0.05Ω) for this range.
Check the LCD display after turning on the power; a low battery symbol indicates insufficient power.