DO-6800 is an online intelligent dissolved oxygen detector produced by our company with foreign technology. It adopts imported components and dissolved oxygen film head, based on the latest polarographic analysis technology, advanced production technology and surface mount technology. Using this series of advanced analytical techniques to ensure the long-term stability and reliability of the instrument. It has Chinese/English menu operation, notebook storage measurement data, 485 communication and other functions. Can be widely used in chemical fertilizer, metallurgy, sewage treatment aeration, environmental water treatment engineering, pharmaceutical, biochemical, food, aquaculture and tap water and other solutions in the continuous monitoring of dissolved oxygen values.