Digital Turbidity Sensor
HydroMetric digital turbidity sensor is designed for continuous online monitoring in raw water, sedimentation, wastewater and industrial process water. The sensor uses infrared 90° scattered-light measurement to reduce interference from sample color and supports direct integration into monitoring and control systems.
Technical Specifications
| Measurement principle | Infrared 90° scattered-light turbidity measurement |
|---|---|
| Measuring range | 0.01–3000 NTU |
| Accuracy | ±5% of reading or ±0.5 NTU, whichever is greater |
| Repeatability | ±3% |
| Resolution | 0.01–0.1 NTU depending on range |
| Pressure rating | Current source notes a 2026 upgrade to 10 bar maximum pressure resistance |
| Calibration | Sample calibration and slope calibration |
| Sensor construction | SUS316L body with PUR cable |
| Power supply | 85–500 VAC or 9–36 VDC via compatible transmitter/controller configuration |
| Outputs | 3 × 4–20 mA |
| Relays | 3 configurable relays |
| Communication | Modbus RS485 |
| Storage temperature | -15 to 50°C |
| Operating temperature | 0 to 45°C, non-freezing |
| Sensor dimensions | Ø49 × 230.5 mm |
| Sensor weight | 0.8 kg |
| Sensor protection | IP68 / NEMA6P |
| Cable | 10 m standard, extendable to 100 m |
Applications
Typical applications include raw-water intake monitoring, sedimentation and clarification, municipal wastewater, industrial effluent, process water, cooling-water systems and reuse-water monitoring.
Installation & Integration
For project selection, confirm the normal and peak turbidity, process pressure, immersion or flow-cell arrangement, fouling conditions, cleaning requirement, cable length and required control interfaces. Optional automatic cleaning can reduce maintenance in higher-fouling applications.
Request a Quote
Send the target turbidity range, installation point, pressure, water type, cleaning requirement and preferred outputs to sales@waterqualityanalyzer.com for engineering selection and quotation.
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