The SX723 is a portable water‑quality analyzer that measures pH, millivolt, conductivity, TDS, salinity, resistivity and temperature. It is designed for field use in industries such as water treatment, power plants and environmental monitoring.
The manual covers the instrument overview, technical parameters, LCD display, operation keys, data storage, measurement procedures for pH, mV and conductivity, as well as calibration, settings, and warranty information. This manual is written in Chinese.
| pH measurement range | -2.00 ~ 19.99 pH |
|---|---|
| pH resolution | 0.1 / 0.01 pH |
| pH accuracy (electrode) | ±0.01 pH |
| mV measurement range | -1999 mV ~ 0 ~ 1999 mV |
| mV resolution | 1 mV |
| mV accuracy | ±0.1% FS |
| Conductivity measurement range | 0.00 ~ 1999 μS/cm (multiple ranges) |
| Conductivity resolution | 0.01 / 0.1 / 1 μS/cm |
| Conductivity accuracy (electrode) | ±1.0% FS |
| Temperature compensation range (pH) | 0 ~ 100 °C (automatic) |
| Temperature compensation range (conductivity) | 0 ~ 50 °C (automatic) |
| Data storage capacity | 300 measurement groups |
| Power source | 2 × AA batteries (1.5 V each) |
| Instrument dimensions | 65 × 120 × 31 mm |
| IP protection rating | IP57 |
| Operating temperature range | 5 °C ~ 35 °C |
| Maximum relative humidity | ≤85 % |
The instrument can store up to 300 groups of measurement data.
It is powered by two AA batteries (1.5 V each).
The device meets the IP57 dust‑proof and waterproof standard.