E+H Dissolved Oxygen System COM253 + COS61
A complete dissolved oxygen measuring loop made up of the Liquisys COM253 transmitter and the Oxymax COS61 optical oxygen sensor. The system delivers fast, drift-free oxygen measurement for aeration control and process monitoring in water and wastewater treatment.
Transmitter: Liquisys COM253-DX8005
- Four-wire field transmitter in a rugged IP65 housing
- Two-line display showing measured value and temperature together
- Two-point calibration with a single CAL key
- Overvoltage (lightning) protection to EN 61000-4-5
- Manual contact output control and user-defined alarm contacts
- Outputs: 0/4-20 mA, HART, PROFIBUS-PA/DP
Sensor: Oxymax COS61-A1F0
- Optical luminescent principle: no electrolyte, no membrane, no chemicals
- Long-term stable fluorescence layer with oxygen selectivity and no interference
- Fast response, drift-free measurement
- Memosens digital technology for maximum process and data integrity
- Laboratory calibration and predictive maintenance supported
- Low maintenance and long service life
Applications
- O2 control in aeration basins of municipal and industrial wastewater plants
- Process water treatment and monitoring
- Drinking water condition monitoring, oxygen enrichment and corrosion protection
- River, lake and seawater quality monitoring
- Biological treatment and fish farm oxygen control
