Multiparameter photometer Hanna C99 with COD. It operates in three ranges: 0-150 mg / mL; 0-1500 mg / mL and 0-15000 mg / mL. Specific ion analyzer programmed to analyze up to 39 parameters including COD. It has 4 tungsten lamps with narrow band interference filter 420/525/575/610 nm. Power supply with 2 9V batteries or 12V adapter (not supplied). Auto power off after 10 minutes of inactivity. RS232 port. User manual.