Product family：
Liquisys M COM253
Dissolved oxygen transmitterIn Stock (1)
Liquisys M COM253；Sensor Input/Software COS31/COS61/COS71 (COS3/3HD); basic version；Power Supply 230VAC；Output 1x 0/4...20mA, primary value；Additional Contact 1x 4...20mA input+4x relay (timer / Limit
Order Code：DK9ZT-1040/0
Corresponding ext. order code：COM253-WX0026
Name：Liquisys M COM253
Configuration
| Code | Name | Order | Specification |
|---|---|---|---|
| 010 | Sensor Input; Software | WX | COS31/COS61/COS71 (COS3/3HD); basic version |
| 020 | Power Supply | 0 | 230VAC |
| 030 | Output | 0 | 1x 0/4...20mA, primary value |
| 040 | Additional Contact | 26 | 1x 4...20mA input+4x relay (timer / Limit / P(ID) |
Configuration Explained
This is a COM253 dissolved oxygen transmitter, with COS31, COS61 and COS71 fluorescence sensors, 230 VAC supply, 1 x 0/4...20 mA output, plus 1 x 4-20 mA input and 4 relays, supports timer, limit and P(ID) control, directly drives blowers and dosing pumps, one instrument handles both measurement and control, suitable for aeration control in wastewater plants.