| category | product name | Basic features and specifications |
| PH | Range | 0 ~ 14.00pH |
| Resolution | 0.1/0.01 pH | |
| Accuracy | ±0.01pH | |
| Input resistance | ≥1×1012 Ω | |
| Stability | ±0.01 pH/3h | |
| Temperature compensation | (0 ~ 100)℃,auto/manual | |
| Operation function | Automatic calibration | |
| mV | Range | -1999mV ~ 0 ~ 1999mV |
| Resolution | 1mV | |
| Accuracy | ±0.1% FS±1digit | |
| Temperature | Range | (0 ~ 100)℃ |
| Resolution | 0.1℃ | |
| Accuracy | ±1℃ | |
| Other technical parameters | ||
| data storage, record | mix/min value | |
| Power | DC9V power adapter | |
| Dimension and weight | (160×190×70)mm / 750 g | |
| Operation condition | Environmental temperature: | 5 ~ 35 ℃ |
| Relative humidity | ≤85% |
| 1. PHS-3D-01 pH Meter | 1 unit |
| 2. 201-C plastic pH combination electrode | 1 pc |
| 3. Standard solution pH4.00, 7.00, 10.01 | 1 bottle for each (50mL) |
| 4. 9V power adapter | 1 pc |
| 5. Operation manual | 1 pc |