| Measurement Range | |
| pH | 0.00 to 14.00 pH |
| ORP | -2000 to +2000 mV |
| Temperature | -10 to 150.0°C |
| Resolution | |
| pH | 0.01 pH |
| ORP | 1 mV |
| Temperature | 0.1°C |
| Basic Error | |
| pH | ±0.01 pH |
| ORP | ±2 mV |
| Temperature | ±0.3°C |
| Stability | |
| pH | ≤0.02 pH/24h |
| ORP | ≤2 mV/24h |
| Current Output | 4 to 20 mA (Load resistance < 500Ω) |
| Communication Output | RS485 MODBUS RTU |
| Dual Relay Control Contacts | 5A 250VAC, 5A 30VDC |
| Power Supply Voltage | 24VDC / 110VAC / 220VAC |
| Power Consumption | ≤3W |
| Dimensions | 96×96×120mm |
| Installation | Panel mount/embedded |
| Panel Cutout Size | 92×92mm |
| Protection Grade | IP54 |
| Instrument Weight | 0.3 kg |
| Operating Environment | |
| Ambient Temperature | -10 to 60°C |
| Relative Humidity | No more than 90% |
| Free from strong magnetic field interference except the Earth's magnetic field. | |