functions and targets cod cod ammonia analyzer functions of an ammonia analyzer, shell mold design, high temperature corrosion preventer with a transparent cover. 2, Chinese LCD large screen direct reading COD, ammonia indicators. 3,10min reach the set temperature, and a timed tweet reminders. 4, with memory Memory 100 curves, 15 standard curve, 85 curves can be freely extended application under six different people, different 5, the environment, different water conditions, the instrument can be automatically calculated based on the standard sample storage curve 7, wavelength 420nm / 610nm free switching cod ammonia analyzer Specifications * Temperature range: room temperature ~ 200 ℃ · measurement error: ≤ ± 5% · wavelength range: 420nm / 610nm ± 1nm · Storage Data: 2000 * Measuring range: COD: 5 -1000 mg / L more cod ammonia analyzer products: http: //www.sahkjcod.com/