Service manual providing calibration adjustment, performance testing, fuse replacement, and maintenance procedures for Fluke 175, 177, and 179 True-rms…
This document serves as a technical guide for qualified personnel to adjust and verify the performance of the Fluke 175, 177, and 179 True-rms Multimeters. It covers essential maintenance tasks including safety precautions, fuse replacement, battery changes, LCD replacement, and cleaning procedures.
| Accuracy | 1 yr after calibration, 18°C to 28°C |
|---|---|
| Maximum voltage between any terminal and earth ground | 1000 V |
| Fuse Protection for mA inputs | 0.44 A, 1000 V, IR 10 kA |
| Fuse Protection for A input | 11 A, 1000 V, IR 17 kA |
| Display | Digital: 6000 counts, updates 4/sec |
| Frequency | 10 000 counts |
| Capacitance | 1000 counts |
| Operating Temperature | -10 °C to +50 °C |
| Storage Temperature | -40 °C to +60 °C |
| Battery Life (Alkaline) | 400 hrs typical |
| Size (H x W x L) | 4.3 cm x 9 cm x 18.5 cm |
| Weight | 420 g |
| Safety General | IEC 61010 -1: Pollution Degree 2 |
| Measurement | IEC 61010 -2-033: CAT IV 600 V, CAT III 1000 V |
Only qualified personnel should perform these procedures to avoid electric shock or injury.
The maximum voltage between any terminal and earth ground is 1000 V.
The mA input is protected by a 0.44 A, 1000 V, IR 10 kA fuse, and the A input by an 11 A, 1000 V, IR 17 kA fuse.
The typical battery life for alkaline batteries is 400 hours.