HY551-B/C COD sensor features highly reliable UVC LED for light absorption measurement. This proven technology provides reliable and accurate analysis of organic pollutants for water quality monitoring at low cost and low maintenance. With rugged design, and integrated turbidity compensation, it is an excellent solution for continuous monitoring of source water, surface water, municipal and industrial waster waters.
Overview
HY551-B/C COD sensor features highly reliable UVC LED for light absorption measurement. This proven technology provides reliable and accurate analysis of organic pollutants for water quality monitoring at low cost and low maintenance. With rugged design, and integrated turbidity compensation, it is an excellent solution for continuous monitoring of source water, surface water, municipal and industrial waster waters.
Features
Modbus RS-485 output for easy system integration
Programmable auto-cleaning wiper
No chemicals, direct UV254 spectral absorption measurement
Proven UVC LED technology, long lifetime, stable and instant measurement
Measurement of SAC、COD、TOC, and BOD
Advanced turbidity compensation algorithm
| Technical Specifications | ||
| Model | HY551-B | HY551-C |
| Interface | Support RS-485，Modbus protocols | |
| COD Range | 0.5 to 370mg/L equiv.KHP | 1 to 1500mg/L equiv.KHP |
| COD accuracy | ±5% equiv.KHP | ±5% F.S. equiv.KHP |
| COD resolution | 0.01mg/L | |
| TOC Range | 0.3 to 150mg/L equiv.KHP | 0.4 to 600mg/L equiv.KHP |
| TOC accuracy | <5% equiv.KHP | ±5% F.S. equiv.KHP |
| TOC resolution | 0.01mg/L | |
| Tur Range | 0-300 NTU | 0-500 NTU |
| Tur accuracy | ±5% or 0.5NTU | ±5% F.S. |
| Tur resolution | 0.01NTU | |
| Temperature Range | 0~50℃（No ice） | |
| Housing IP Rating | IP68 | |
| Maximum pressure | 3 bar | |
| Calibration | 1 point or 2 points | |
| Power Requirements | DC 12V -24V，current<50mA (non wiping) | |
| Sensor OD | 50 mm | |
| Sensor Length | 214 mm | |
| Cable Length | 10m (default) | |
| Body Materials | POM and 316L（Ti optional） | |
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