KNF-108A COD sensor is the second generation of COD sensor introduced by Knavfor UV absorption method. Combined with many application experiences of Yushan, a number of upgrades have been carried out on the basis of the original, not only the size is smaller, but also the original split cleaning brush to do one, so that the installation is more convenient and has higher reliability. KNF-108A COD sensor requires no reagent, no pollution, more economical and environmental protection. Can be online uninterrupted water quality monitoring. Automatic compensation for turbidity interference, with automatic cleaning device, even long-term monitoring still has excellent stability. [Online real-time monitoring] [Self-cleaning] [strong stability]