Endress + Hauser COM253-WS2420
Transmitter, dissolved oxygen DO
Field mounting: 247x170x115mm, IP65
Alarm output: relay
Display: 2-line, 6 languages
Calibration: CAL button
Endress Hauser COM 253
WS Sensor Input; Software: COS31/COS61/COS71 (COS3/3HD) plus package
2 Power Supply: 230VAC; CSA Gen.Purp.
4 Output: Profibus DP
20 Additional Contact: 1x 4…20mA input + 2x relay (timer / Limit / P(ID)