User manual for the Sanxin PHS-3C laboratory pH meter, covering specifications, operation, calibration and maintenance.
The Sanxin PHS-3C is a laboratory pH meter designed for measuring pH, mV and temperature in water solutions. It features a large back‑lit LCD, automatic calibration, temperature compensation and data storage functions.
The manual provides a detailed overview of the instrument, technical specifications, description of the LCD, keys and sockets, step‑by‑step measurement procedures, safety precautions, optional accessories and warranty information. This manual is written in Chinese.
| pH measurement range | 0 ~ 14.00 |
|---|---|
| pH resolution | 0.01 pH |
| pH accuracy (instrument) | ±0.01 pH |
| Temperature compensation range | 0 ~ 100 °C (manual) |
| Power supply | DC 9 V adapter |
| Dimensions / weight | 160 × 190 × 70 mm / 750 g |
Press the mode key to change the display; the meter will show “mV” and you can then connect an ORP or ion‑selective electrode for measurement.
Hold the temperature‑adjust key for a few seconds; the meter toggles between Celsius and Fahrenheit display.