This document is the Fluke 87 & 89 Series IV True RMS Multimeter Users Manual.
This manual explains how to safely set up and operate the Fluke 87 & 89 Series IV True RMS Multimeter. It includes safety warnings, symbol explanations, and step‑by‑step procedures for turning the meter on, selecting ranges, and using functions such as AutoHOLD, MIN MAX, and FAST MN MX.
Later sections cover memory and communications features (Model 89), default setting adjustments, routine maintenance, and a full specifications table that lists physical dimensions, performance accuracy, input characteristics, and environmental limits.
| Physical Size | 10.0 cm × 20.3 cm × 5.0 cm |
|---|---|
| Weight | 545 g (1.2 lb) |
| Display Counts | 50,000 primary / 5,000 secondary |
| Battery Type | 4 AA Alkaline (NEDA 15A or LR6) |
| Operating Temperature Range | −20 °C to +55 °C |
The meter uses four AA alkaline batteries (NEDA 15A or LR6) that are user‑replaceable via the battery access door.