| Parameter | Description |
| Temperature | Temperature Measurement Principle: platinum resistance temperature sensor. Measurement Temperature range: -10 ~ 80 °C Accuracy: ± 0.2 °C; Material: IP68. |
| pH / ORP | Test Principle: glass electrode method; Measuring Range: 0-14 pH / -999~999mV; Accuracy: 0.1 pH / ±20mV; Material: IP68; Output: RS485, MODBUS protocol; Power Requirements: DC 5~12V, current<50mA; Pressure: 0-10 bar; Operating Temp. 0-60°C. |
| Dissolved Oxygen | Test Principle: fluorescence, optical; Measuring Range: 0~20mg/L or 0~200% saturation; Accuracy: 1%; Material: IP68; Auto Temp. Compensation: 0 ~ 60°C; Response Time: 10 seconds; Output: RS485, MODBUS protocol; Power Requirements: DC 6~12V, current<50mA; Pressure: 0-5 bar; Operating Temp.: 0-60°C. |
| Conductivity | Test Principle: four-electrode type, induction; Measuring Range: 1 uS/cm to 2000 mS/cm; Accuracy: 1 % ; Response Time: 10 seconds; Output: RS485, MODBUS protocol; Power Requirements: DC 5~12V +/-5%, current <50mA; Pressure: 0-5 bar; Operating Temp.: 0-60°C. |
| Turbidity | Test Principle: 90° scattering method; Measuring Range:1.0-3000.0 NTU; Resolution: 0.1NTU or 1.0NTU?determined by range°C Accuracy: ±2%FS Output: RS485, MODBUS protocol; Power Requirements: 12V/24V DC. |
| Total Suspended Solids | Test Principle: double beam scattering method; Measuring Range: 1.0-2500 mg/L (can be shown as NTU and FNU); Resolution°C1 mg/L or 0.01 g/L?determined by range°C Accuracy°C±2%FS Output: RS485, MODBUS protocol; Power Requirements: 12V/24V DC; Pressure: 0-5 bar; Operating Temp.: 0-60°C; Self-cleaning. |
| COD | Test Principle: UV254 absorption method (reference measurement 550nm); Optical Path: 1mm; Measuring Range: 0~1500 mg/L; Material: IP68; Resolution: 0.01mg/L COD ; Response Time: 10 seconds/Repeability: 3%; Output: RS485, MODBUS protocol; Power Requirements: DC 12V +/-5%, current <50mA; Pressure: 0-5 bar; Operating Temp.: 0-60°C. |