This document is a user manual for Fluke's 789 ProcessMeter, providing information on its features and characteristics.
This manual introduces the Fluke 789 ProcessMeter, covering safety information, start‑up procedures, and how to measure electrical parameters such as voltage, current, and resistance. It explains features like AutoHold, current‑source mode, simulated mode, and both manual and automatic milliamp output functions.
The guide also details maintenance tasks, including battery replacement, fuse replacement, and environmental specifications such as operating temperature, humidity, vibration, and shock resistance. Technical accuracy specifications for AC voltage, DC current measurement, and DC current output are provided. This manual is written in Chinese.
| Dimensions | 10.0 cm x 20.3 cm x 5.0 cm |
|---|---|
| Weight | 610 g (1.6 lb) |
| Battery | Four AA alkaline batteries (recommended) |
| DC Current Accuracy | ±0.14 % (30,000 µA range) |
| Relative Humidity | Up to 95 % at 30 °C |
| Vibration | Random 2 g, 5–500 Hz |
| Shock | 1 m drop test |
It requires four AA batteries, preferably alkaline, as stated in the specifications.
The DC current measurement accuracy is ±0.14 % for the 30,000 µA range.
The meter can withstand random vibration of 2 g from 5 to 500 Hz and a 1 m drop shock test.