| Item | Index | Value |
| System | working power | (220±22)V AC，(50±1)Hz |
| Power | 30W |
| Cabinet size | 800mm*506mm*180mm (standard version) |
| Weight | about 15Kg |
| Storage temperature | 4℃~+50℃ |
| Working temperature | 4℃~+50℃ / -25℃~+50℃(optional temperature control heating antifreeze module) |
| Working humidity | ≤95%RH (no condensation) |
| Inlet flow | 500～1000 mL/min |
| Inlet pressure | < 3kg/cm³ |
| Communication interface | RS485 Modbus RTU communication protocol + wireless interface |
| Turbidity | Range | 0-1NTU / 0-20NTU / 0-100NTU / 0-4000NTU |
| Resolution | 0.001NTU |
| Lower detection limit | 0.02NTU；0.1NTU（0-4000NTU） |
| Zero drift | ≤1.5% |
| Indication stability | ≤1.5% |
| Accuracy | 2% or ±0.02NTU；5% or 0.5NTU（0-4000NTU） |
| Repeatability | ≤3% |
| Response time | ≤60s |
| Recommended maintenance period | 3-12 months (depending on the water quality on site) |
| Residual chlorine/chlorine dioxide | Range | 0-5mg/L / 0-20mg/L |
| Resolution | 0.01mg/L |
| Lower detection limit | 0.05mg/L |
| Accuracy | ±0.05mg/L or ±5% (DPD comparison error ±10%) |
| Response time | ≤120 seconds |
| Recommended maintenance period | 1-3 months or weekly calibration, 3-6 months to replace consumables |
| PH /ORP(optional) | Range | 0-14pH, ±2000mV（ORP） |
| Resolution | 0.01pH, ±1mV（ORP） |
| Accuracy | ±0.1pH, ±20mV（ORP）or ±2% |
| Repeatability | ±0.1pH, ±10mV（ORP） |
| Response time | ≤60 seconds |
| Recommended maintenance period | 1-3 months |
| Temperature | Range | -20℃ - 85℃ |
| Resolution | 0.1℃ |
| Accuracy | ±0.5℃ |
| Repeatability | ≤0.5℃ |
| Response time | ≤25 seconds |
| Recommended maintenance period | 12 months |
| Conductivity (Optional) | Range | 1-2000uS/cm / 1~200mS/m |
| Accuracy | ±1.5%FS |
| Repeatability | ≤0.5%FS |
| Response time | ≤30 seconds |
| Recommended maintenance period | 3-6 months |
| Dissolved oxygen (Optional) | Range | 0-20mg/L |
| Accuracy | ±0.3mg/L |
| Repeatability | ≤±1.5% |
| Response time | ≤30 seconds |
| Recommended maintenance period | 1-3 months |
| Expansion port | Port type | RS485、4-20mA、0-5V |
| Item | Index | Value |
| System | working power | (220±22)V AC，(50±1)Hz |
| Power | 30W |
| Cabinet size | 800mm*506mm*180mm (standard version) |
| Weight | about 15Kg |
| Storage temperature | 4℃~+50℃ |
| Working temperature | 4℃~+50℃ / -25℃~+50℃(optional temperature control heating antifreeze module) |
| Working humidity | ≤95%RH (no condensation) |
| Inlet flow | 500～1000 mL/min |
| Inlet pressure | < 3kg/cm³ |
| Communication interface | RS485 Modbus RTU communication protocol + wireless interface |
| Turbidity | Range | 0-1NTU / 0-20NTU / 0-100NTU / 0-4000NTU |
| Resolution | 0.001NTU |
| Lower detection limit | 0.02NTU；0.1NTU（0-4000NTU） |
| Zero drift | ≤1.5% |
| Indication stability | ≤1.5% |
| Accuracy | 2% or ±0.02NTU；5% or 0.5NTU（0-4000NTU） |
| Repeatability | ≤3% |
| Response time | ≤60s |
| Recommended maintenance period | 3-12 months (depending on the water quality on site) |
| Residual chlorine/chlorine dioxide | Range | 0-5mg/L / 0-20mg/L |
| Resolution | 0.01mg/L |
| Lower detection limit | 0.05mg/L |
| Accuracy | ±0.05mg/L or ±5% (DPD comparison error ±10%) |
| Response time | ≤120 seconds |
| Recommended maintenance period | 1-3 months or weekly calibration, 3-6 months to replace consumables |
| PH /ORP(optional) | Range | 0-14pH, ±2000mV（ORP） |
| Resolution | 0.01pH, ±1mV（ORP） |
| Accuracy | ±0.1pH, ±20mV（ORP）or ±2% |
| Repeatability | ±0.1pH, ±10mV（ORP） |
| Response time | ≤60 seconds |
| Recommended maintenance period | 1-3 months |
| Temperature | Range | -20℃ - 85℃ |
| Resolution | 0.1℃ |
| Accuracy | ±0.5℃ |
| Repeatability | ≤0.5℃ |
| Response time | ≤25 seconds |
| Recommended maintenance period | 12 months |
| Conductivity (Optional) | Range | 1-2000uS/cm / 1~200mS/m |
| Accuracy | ±1.5%FS |
| Repeatability | ≤0.5%FS |
| Response time | ≤30 seconds |
| Recommended maintenance period | 3-6 months |
| Dissolved oxygen (Optional) | Range | 0-20mg/L |
| Accuracy | ±0.3mg/L |
| Repeatability | ≤±1.5% |
| Response time | ≤30 seconds |
| Recommended maintenance period | 1-3 months |
| Expansion port | Port type | RS485、4-20mA、0-5V |
