This document is the user manual for the Fluke 789 ProcessMeter, providing instructions on how to use the product and its features.
The Fluke 789 ProcessMeter is a battery‑operated handheld test tool that measures electrical parameters and can output a stable or linearly varying current, as well as provide a >24 V loop power source. The manual covers safety notices, how to get started, measurement functions, current‑output modes, and maintenance procedures.
Additional sections describe power‑option startup, loop‑power mode, battery life, fuse replacement, troubleshooting, parts and accessories, and a full set of technical specifications for the instrument. This manual is written in Chinese.