The Guoyi Electronics N-500 Cable Tester User Manual provides setup, operation, and maintenance instructions for the full‑function cable testing machine.
This manual describes the N-500 series full‑function cable testing machine, including packaging, accessories, installation steps, panel layout, main interface, and button functions. It guides users through basic operation, system self‑test, and configuration of test parameters.
Further sections cover functional settings and analysis modes, comprehensive test modes, simple operation examples, and the use of external fixtures and adapter cables. Appendices list cable connection details, technical specifications, test ranges, and differences among model variants. This manual is written in Chinese.
| Resistance measurement range | 0.1 Ω – 10 MΩ |
|---|---|
| Capacitance measurement range | 10 pF – 1000 µF |
| DC insulation test voltage | 5 V – 1000 V |
| Power supply input | 230 Vac ±10%, 50/60 Hz |
| Maximum test points | 128 |
Press the [TEST] key on the front panel to begin a measurement.
Press the [RESET] key to perform a system reset (warm start).