Compact UV COD / TOC / BOD / Turbidity Sensor
Compact reagent-free UV254 sensor for continuous organic-load and turbidity monitoring in wastewater, surface water and industrial effluent applications. The sensor uses SAC254 ultraviolet absorption to estimate organic parameters without chemical reagents and is designed for direct-immersion installation.
Technical Specifications
| Measurement principle | UV absorption at 254 nm (SAC254) |
|---|---|
| COD range | 0–500 mg/L |
| BOD range | 0–375 mg/L |
| TOC range | 0–200 mg/L |
| Turbidity range | 10–800 NTU |
| Accuracy | COD/BOD/TOC ±5%; turbidity ±10% |
| Minimum measuring interval | 1 minute |
| Pressure | ≤0.1 MPa |
| Sensor material | SUS316L |
| Communication | Modbus RS485 |
| Analog output | 3 × 4–20 mA when used with compatible transmitter/controller |
| Operating temperature | 0–45°C |
| Dimensions | Approx. Ø34 × 217 mm |
| Weight | Approx. 0.8 kg |
| Protection | IP68 / NEMA 6P |
| Cable | 10 m standard, extendable up to 100 m |
| Maintenance | Automatic cleaning function; scraper available as service spare |
Applications
- Wastewater treatment influent and effluent monitoring
- Continuous organic-load trend monitoring
- Surface-water monitoring
- Industrial effluent monitoring
- Aquaculture and fishery wastewater applications
Selection & Integration
Confirm expected organic-load range, turbidity level, installation depth, available process connection, cable length and controller/SCADA communication requirements before ordering. For projects requiring local display, analog retransmission or relay control, pair the sensor with a compatible HydroMetric transmitter or multiparameter controller.
Request a Quote
Send the target water type, expected COD/BOD/TOC range, installation method, cable length and communication requirements to sales@waterqualityanalyzer.com for technical confirmation and quotation.
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