Product overview: Chemical Oxygen Demand (COD) refers to the amount of oxidant consumed when potassium dichromate is used as oxidant to treat water samples under the condition of strong acid and heating, expressed as mg/L of Oxygen. The method is simple, rapid and economical, and the results are compared with the traditional titration method. The measuring range of this instrument is 0~150mg/L, which is widely used in sewage treatment plant, food, chemical, metallurgy, environmental protection and pharmaceutical industries. Technical parameters: Measurement range: 0-150-1500mg/L(range can be switched) Resolution: 0.1mg/L Error: less than 5%FS Power supply: AC220V 50Hz Product features: 1. Save time. The fast method takes less than 1 hour. 2. Automatic zero adjustment and 1 ~ 5 point automatic calibration. 3. Standard optical glass groove is more interchangeable. 4. Semiconductor luminescent device is adopted, whose light source has a long stable life. 5. The resolution of the instrument reaches 0.1. 6.999 measurements of storage function. 7. Date display function, storing one date and time at a time for convenient query. 8.Full Chinese menu, easy to operate.
