Endress + Hauser COM253-WS0110
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
0 Power Supply: 230VAC
1 Output: 2x 0/4…20mA, primary value + secondary value
10 Additional Contact: 2x relay (limit/P(ID)/timer)