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Item | Index | Value |
System | working power | (220±22)V AC,(50±1)Hz |
Power | 30W | |
Cabinet size | 800mm*506mm*180mm | |
Inlet flow | 500~1000 mL/min | |
Inlet pressure | < 3kg/cm³ | |
Communication interface | RS485 Modbus RTU + air data 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 |








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