Features
Use 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.

Model COD351
Measuring Principle UV254 ultraviolet absorption method
Measuring Range(COD) COD351L: 0.75~500mg/L COD351H: 1~1500mg/L
Resolution(COD) 0.01mg/L
Measuring Range(TOC) COD351L: 0.3~200mg/L COD351H: 0.4~600mg/L
Measuring Range(TU) COD351L: 0~300NTU COD351H: 0~1000NTU
Operating Temperature 0~ 45ºC
Calibration standard solution
Protection Grade IP68
Working Pressure 1Bar
Cleaning Method Rubber scraper
Power 12-24VDC
Output RS485, Modbus RTU protocol
Dimension Diameter 50mm, length 215mm
Cable Length 10m(custom)
Shell Material POM and 316L