The manual describes functions, safety rules, wiring, operation, specifications and alarm settings for the Qingzhi 8902F2/8904F2 three‑phase digital…
This document provides detailed instructions for the Qingzhi 8902F2/8904F2 three‑phase digital electrical parameter tester, including measurement functions, technical specifications, wiring configurations, and alarm features. It also contains safety notices, usage precautions, and a troubleshooting guide.
The manual covers how to select line modes, configure scaling and data update intervals, read and save display data, and set up voltage, current, and power alarms. Appendices list symbol definitions, menu flowcharts, and a shipping checklist. This manual is written in Chinese.
| Voltage range | 9.0 V – 600.0 V (45‑65 Hz AC) |
|---|---|
| Sampling rate | 8000 samples/s, 24‑bit, ≈125 µs period |
| Power supply | AC 100 V – 240 V, 50/60 Hz |
| Power consumption | < 10 VA |
| Weight | ≈ 3.5 kg |
| Dimensions (W×H×D) | 223.5 mm × 151.5 mm × 384 mm |
| Insulation resistance | ≥ 5 MΩ between terminals and chassis |
| Withstand voltage | 2000 V 50 Hz sine wave |
The error is ±(0.40 % of reading + 0.10 % of range) for signals less than 10 % of the full‑scale range.
Enter the Init menu (SHIFT+SET), select the Init option, and confirm to restore all parameters to their default values.