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Self-cleaning COD sensor

Ultraviolet absorption method was usedSmall sizeIntegrated internal selfcleaning
The new UV254 COD sensor launched by our company adopts the ultraviolet absorption method and brings together many years of application development experience in the industry. Ultraviolet UV LED cold light source, long luminous measurement life, and 550nm compensation light source, which effectively eliminates the influence of turbidity and chromaticity on sensor measurement, and has higher reliability.
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Product Features

Categories of models
The specific modelsNetworkReferred to as"Terminal type (interface)Size
KRCFB-L



Features:
1. Digital sensor, direct output OF RS-485 digital signal, MODBUS/RTU support
2. Double optical path measurement; 254nm and 550nm compensate the light source to eliminate turbidity and chromaticity effects
3. Imported UV254 LED cold light source, long life, small drift; Filter design, low interference, stable
4. COD, TOC, turbidity and temperature can be measured without chemical reagents and sample digestion
5. Compact size, internal integrated automatic cleaning brush, effectively prevent biological attachment;
6. The surface is treated with anti-corrosion passivation
7. Low power consumption of sensor, anti-interference design of internal circuit.

Technical Parameter

ProjectWithin the capacity
The output signalSupport RS-485,MODBUS/RTU protocol
Method of measurementUV 254 dual wavelength UV absorption method
COD range0.3-370mg /L equiv.khp
COD precisionPlus or minus 5% f.s equiv. KHP
COD resolution0.1mg/L or 0.01mg/L equiv.khp
Turbidity range0 ~ 100 ntu
RepetitivePlus or minus 1% f.s equiv. KHP






The power supply
ProjectWithin the capacity
The power supply12 or 24VDC±10%, 15mA; 200mA when the brush is turning




Physical properties
ProjectWithin the capacity
Size48 mm diameter; Length is 186 mm; Optional protective cover
Protection gradeIP68, water depth 10m
The service life of theSensor 3 years or more, cleaning brush system 18 months or more
The length of the cable5M (default), customizable
Sensor housing materialTitanium alloy, 316L, quartz glass
Other parameters
ProjectWithin the capacity
The working conditions0.1 ~ 50℃, < 0.1mpa
Calibration modeTwo calibration
The response time10 seconds T90
Maintain and calibrate frequencySensor 3 months, cleaning brush 6 months

Product Size

Product Size drawing (unit: mm)

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Selection Guide

Product model
Spectrum26GHz
The theory of bandwidth
Transmission power
Reception sensitivity1s

Application Scheme

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