| Performance parameters | |
| W orking power | (220±22)VAC,(50±1)Hz |
| Power | 30W |
| Cabinet size | 800mm*506mm*180mm(standard version) |
| Weight | 15 k g |
| Storage temperature | 4ºC~+50ºC |
| Working temperature | 4ºC~+50ºC/-25ºC~+50ºC |
| Working humidity | ≤95%RH (no condensation) |
| Inlet flow | 500~1000 mL/min |
| I nlet pressure | < 3kg/cm 2 |
| Communication interface | RS485 Modbus RTU communication protocol + air data interface |
| Display | 7-inch color touch screen, Chinese/English |
| Turbidity | |
| Measurement method | 90° light scattering method |
| Range | 0-1NTU / 0-20NTU / 0-100NTU / 0-4000NTU |
| Resolution |
0-1NTU/0-20NTU/0-100NTU:0.001NTU
0-4000NTU:0.01NTU |
| Lower detection limit | 0.02NTU;0.1NTU(0-4000NTU) |
| Zero drift | ≤1.5% |
| Repeatability | ≤3% |
| Response time | ≤120s |
| Recommended maintenance period | 3-12 months (depending on the water quality on site) |
| Residual chlorine/chlorine dioxide | |
| Measurement method | Amperometric method/ polarography(automatic temperature and pH compensation) Chlorine dioxide adopts special membrane head and electrolyte, which can effectively shield the interference of residual chlorine, and the maximum shielding amount is 2mg/L. |
| 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
Measurement method |
1-3 months or weekly calibration, 3-6 months to replace consumables
Amperometric method/ polarography (automatic temperature and pH compensation) Chlorine dioxide adopts special membrane head and electrolyte, which can effectively shield the interference of residual chlorine, and the maximum shielding amount is 2mg/L. |
| Measurement method | Amperometric method/ polarography (automatic temperature and pH compensation) Chlorine dioxide adopts special membrane head and electrolyte, which can effectively shield the interference of residual chlorine, and the maximum shielding amount is 2mg/L. |
| PH /ORP(optional) | |
| Measurement method | Electrode method (automatic temperature compensation) |
| 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 | |
| Measurement method | Thermistor method |
| Range | -20ºC - 85ºC |
| Resolution | 0.1ºC |
| Accuracy | ±0.5ºC |
| Repeatability | ≤0.5ºC |
| Response time | ≤25 seconds |
| Recommended maintenance period | 12 months |
| Conductivity (Optional) | |
| Measurement method | Conductivity cell method (automatic temperature compensation) |
| 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 |
| Measurement method | Conductivity cell method (automatic temperature compensation) |
| Dissolved oxygen (Optional) | |
| Measuring method | Fluorescence method (Optional coating ampere current method) |
| 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 |