Chemical oxygen demand (COD) analyzer
UV400 & Series 400
Tethys Instruments
No reagent (except NaOH for NH4+ and HCl for dissolved H2S)
10-years lamp lifetime
Accept unfiltered waste water, even activated sludge
Automatic turbidity compensation for COD, nitrate and hydrocarbons
Built-in automatic cleaning system
Auto-zeroing function
Measuring time of 5 seconds for most parameters
Can drive a 6-channels multiplexing system
Compact size (520 x 390 x 220 mm)
Datalogging with RS232 download
RS232 port for GSM modem
