FeaturesUse UV254 nano-ultraviolet absorption measurement
method, require no consumable;Use two light sources,
254nm and 365nm UV reference light;Automatically eliminate the
interference of suspended solids and compensate for the
interference of turbidity;Can measure parameters such as COD, TOC,
turbidity and temperature;Drop-in installation, no need to digest
the tested sample, fast analysis speed, real-time response, no need
to wait;RS485 digital interface, standard Modbus communication
protocol, support access to standard industrial control
system;Have excellent repeatability and stability, and is not
easily affected by ambient light;integrated self-cleaning brush,
small size and convenient to install, continuously monitor
water quality online to prevent biological attachment
and reduce the frequency of
maintenance.SpecificationModelCOD351Measuring PrincipleUV254
ultraviolet absorption methodMeasuring Range(COD)COD351L:
0.75~500mg/L COD351H:
1~1500mg/L Resolution(COD)0.01mg/L Accuracy(COD)±3% of
measuring range±0.5mg/LMeasuring Range(TOC)COD351L:
0.3~200mg/L COD351H: 0.4~600mg/L Measuring
Range(TU)COD351L: 0~300NTU COD351H:
0~1000NTUAccuracy(TU)±5%Operating
Temperature0~45ºCCalibration2-point calibrationProtection
GradeIP68Working Pressure1BarResponse TimeT90 about 1minCleaning
MethodRubber scraperPower Supply12~24VDCDigital OutputRS485, Modbus
RTU protocolDimensionDiameter 60mm, length 215mmCable
Length10m(custom)Shell
MaterialPOM and 316L /*
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a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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