This manual introduces the MP522 precise pH/conductivity instrument, describing its features, specifications, and intended applications in laboratories, industry, and research. It outlines the instrument’s LCD display, operation keys, data storage, RS232 communication, and safety certifications.
Detailed sections cover pH measurement procedures, mV/ORP testing, conductivity measurement, electrode calibration, parameter settings, and troubleshooting. The document also provides RS232 interface instructions, accessory descriptions, and warranty information. This manual is written in Chinese.
| pH measurement range | -1.999 ~ 19.999 pH |
|---|---|
| pH accuracy (meter) | ±0.002 pH |
| pH resolution | 0.1/0.01/0.001 pH |
| mV measurement range | -1999.9 mV ~ 0 ~ 1999.9 mV |
| mV accuracy | ±0.03% FS |
| Conductivity range | 0.00~20.00 μS/cm (up to 2000 μS/cm) |
| Conductivity accuracy (meter) | ±0.5% FS |
| Temperature measurement range | -10 °C ~ 110 °C |
| Data storage capacity | 900 groups |
| Power supply | DC 9 V / 300 mA |
| Dimensions / Weight | 160 × 190 × 70 mm / 880 g |
| Certifications | ISO9001:2000, CE, CMC |
Press the
Install the MP522 communication software on a Windows PC, then connect the instrument’s RS232 port; the software will upload measurement data to the computer.
The instrument can store up to 900 groups of measurement data, including values, temperature, timestamps, and status flags.
The instrument operates in an ambient temperature of 5 °C to 35 °C (±0.01 pH) or 15 °C to 30 °C (±0.001 pH) with humidity ≤75 % and IP54 protection.