No reagent required, can save the cost of operation and avoid secondary pollution.

Fast response around two seconds, suitable for the application with high requirement of real time, such as industrial process analysis.

Built-in turbidity compensation function can keep the sensor from interference of chloride ion.

Mechanical scraper for cleaning is more efficient and reliable than a normal gas purge.

Full spectrum (200 - 800nm) technology and stoichiometry algorithm, can measure COD/BOD/TSS at once.

Available of spectral data acquisition, convenient for data analysis and troubleshooting.

Android controller is optional, which can realize online calibration, setting adjustment, light intensity checking, auto cleaning, connect with sensors for other parameters, etc.

Wireless transmission function is optional, available for long-distance data upload, fault alarm,remote maintenance, software update, etc.