User manual for Everfine PF9800 series digital power meters covering safety, operation, measurement, harmonic analysis and communication.
This manual provides the basic principles, functions and safety requirements for the Everfine PF9800 series digital power meters. It describes the instrument’s construction, key layout, display, and how to prepare the device before use.
Detailed chapters guide users through voltage, current, active power, power factor, frequency and harmonic measurements, upper/lower limit settings, RS‑232C communication, calibration procedures, error verification, and typical application examples in lighting, low‑voltage equipment testing and power‑plant metering. This manual is written in Chinese.
| Power‑supply voltage | AC 220 V |
|---|---|
| Maximum input voltage | 250 V |
| Maximum input current | 10 A |