This manual introduces the features and characteristics of the Fluke 18B digital multimeter, including safety information, instrument overview, how to measure, maintenance, and general specifications.
This manual covers safety requirements, instrument overview, connection terminals, display information, and battery power‑saving features for the Fluke 18B digital multimeter. It explains how to perform various measurements such as voltage, current, resistance, continuity, diode, capacitor, and LED testing, and includes guidance on manual and automatic range selection and data hold.
Additional sections describe routine maintenance, fuse testing, battery replacement, parts information, and detailed technical specifications including accuracy, input ratings, environmental limits, and physical dimensions. This manual is written in Chinese.
| Display counts | 4,000 counts |
|---|---|
| CAT ratings | CAT II 1000 V, CAT III 600 V |
| Battery type | 2 × AA (NEDA 15A / IEC LR6) |
| Operating temperature | 0 °C – 40 °C |
| Storage temperature | -30 °C – + 60 °C |
| Dimensions (H×W×D) | 180 mm × 89 mm × 51.5 mm |
| DC voltage accuracy | ±0.5 % + 3 digits |
It complies with IEC 61010‑1:2001, CAT II 1000 V and CAT III 600 V safety standards.
If the meter is idle for 30 minutes it enters a sleep mode with a blank display; pressing any button or rotating the switch wakes it.
Hold the yellow button while turning the meter on to keep it from entering sleep mode.
The maximum voltage between terminals and ground is 1000 V (CAT II) and 600 V (CAT III).