Multifunctional high-chlorine water sample COD (Chemical Oxygen Demand) measuring device

The utility model discloses a multifunctional high chlorine water sample COD (Chemical Oxygen Demand) measuring device, which relates to the technical field of water sample detection and comprises a measuring device body, a control panel and a display panel, the control panel and the display panel are fixedly mounted on one side of the top of the measuring device body, and a detection area is arranged on the other side of the top of the measuring device body. The rotating end of the detection area is rotationally connected with a cover plate, fixing plates are arranged on the inner walls of the two sides of the detection area, a plurality of through holes in one-to-one correspondence with the test tube insertion openings are formed in the fixing plates, cleaning cotton is arranged in the through holes and fixed to the inner walls of lantern rings, and the lantern rings are placed in the through holes; and the cleaning cotton in each lantern ring is spliced into a circle by four sectors. Dust and water stains