The Sanxin MP523 is a multi‑parameter laboratory instrument for measuring pH, mV/ORP, ion concentration, and temperature. It features automatic calibration, temperature compensation, data storage, RS‑232 output, and IP54 protection, making it suitable for labs, industry, and research.
The manual provides detailed instructions on device overview, technical specifications, LCD display, key functions, measurement procedures, parameter settings, data storage, RS‑232 communication, and safety information. It also includes a section for the optional 901‑type smart stirrer accessory. This manual is written in Chinese.
| pH measurement range | -1.999 ~ 19.999 pH |
|---|---|
| pH resolution | 0.1 / 0.01 / 0.001 pH |
| pH accuracy (electrode) | ±0.002 pH |
| Input current | ≤1×10⁻¹² A |
| Temperature compensation range (pH) | 0 ~ 100 °C (auto or manual) |
| mV measurement range | -1999.9 mV ~ 0 ~ 1999.9 mV |
| Ion concentration range | 0.00 ~ 14.00 pX |
| Data storage capacity | 900 groups (300 per mode) |
| Power supply | DC 9 V / 300 mA |
| Dimensions / Weight | 160 × 190 × 70 mm / 880 g |
| Certifications | ISO 9001:2000, CE, CMC |
Press the
The instrument can store up to 300 records for each measurement mode (pH, mV/ORP, ion concentration), for a total of 900 groups.
Use the RS‑232 communication port with the MP523 communication software on a Windows PC; once connected, measurement data are uploaded automatically.