Product family：
Liquisys M COM253
Dissolved oxygen transmitter
Liquisys M COM253；Sensor Input/Software COS31/COS61/COS71 (COS3/3HD) plus package；Power Supply 230VAC；Output 1x 0/4...20mA, primary value；Additional Contact 1x 4...20mA input + 2x relay (timer / Limit
Order Code：COM253-WS0020
Name：Liquisys M COM253
Configuration
| Code | Name | Order | Specification |
|---|---|---|---|
| 010 | Sensor Input; Software | WS | COS31/COS61/COS71 (COS3/3HD) plus package |
| 020 | Power Supply | 0 | 230VAC |
| 030 | Output | 0 | 1x 0/4...20mA, primary value |
| 040 | Additional Contact | 20 | 1x 4...20mA input + 2x relay (timer / Limit / P(ID) |