The Fluke 287/289 user manual provides safety guidelines, operation instructions, measurement functions and specifications for the true‑RMS digital multimeter.
This manual introduces the Fluke 287/289 true‑RMS digital multimeters, covering safety information, key features, button functions and display operation. It guides users through basic and advanced measurement modes, including voltage, current, resistance, frequency, temperature and custom functions.
The document also details maintenance procedures, warranty terms, detailed technical specifications, error messages and troubleshooting steps, helping technicians and end‑users keep the instrument calibrated and operating reliably. This manual is written in Chinese.
| Frequency range (AC bandwidth) | 15 Hz – 100 kHz |
|---|---|
| Maximum input voltage | 1000 V |
It indicates that test leads are inserted in the wrong terminals or the rotary switch is not set to the corresponding range.