Employing an 880nm infrared double beam scattered light method, this self-cleaning online monitor features a dedicated 90-degree mounting accessory to ensure highly responsive water quality tracking across a span of 0.01 to 4000 NTU.
| Model | OPTU311 |
| Principle | Infrared scattering principle |
| Measuring Range | Turbidity: 0.01~4000NTU |
| Resolution | Turbidity: 0.01NTU |
| Accuracy | Better than 2% of measured value or 0.1NTU, take the larger one |
| Communication | RS485 MODBUS-RTU |
| Response Time | T90<60s |
| Calibration Method | Multi-point cal; Factor cal |
| Work Pressure | ≤4Bar |
| Sample Flow Rate | ≤2.5m/s, 8.2ft/s |
| Operating Temp | 0~45°C (no freezing) |
| Storage Temp | 0~60℃(no freezing) |
| Shell Material | SUS316L (Titanium can be customized) |
| Dimension | Diameter: 60mm x Length: 265 mm |
| Mounting Thread | Horizontal installation, dedicated 90° mounting accessories |
| Lead Interface | Integrated lead |
| Cleaning Function | Equipped with a cleaning wiper |
| Protection Grade | IP68 |
| Power Supply | 9~36V DC |
| Power Consumption | 1.5W |
| Cable | Standard 5 meters (@can be customized) |
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