ENDRESS+HAUSER  COM253-DX0005

Dissolved oxygen measurement. Transmitter for oxygen sensors

Wastewater treatment plants and wastewater treatment Water treatment and drinking water monitoring Surface water: rivers, lakes, sea Fish farming Boiler feedwater (trace measurement)

• Field or panel-mounted housing
• Universal application
• Easy to use
  • Simple menu structure
  • Simple calibration in air, air-saturated water or medium
• Manual contact control and user-defined alarm configuration

The basic device can be extended with:

• 2 or 4 contacts for use as
  • Limit contacts (also for temperature)
  • P(ID) controller
  • Timer for simple rinse processes or Chemoclean
• Plus package:
  • Configurable current output characteristic
  • Cleaning started automatically
  • Process monitoring
  • Sensor signal live check
• HART or PROFIBUS-PA/-DP
• 2nd current output: temperature, main measured value, actuating variable
• Current input for flow monitoring or for feedforward control

A complete measuring system comprises:

Version 1 (free chlorine and chlorine dioxide)

• Transmitter Liquisys M COM223 or COM253
• Oxygen sensor
  • COS41 for Liquisys M COM2x3-DS/DX
  • COS61 for Liquisys M COM2x3-WS/WX

Optionally:

• Extension cable OM, junction box VS
• Weather protection cover CYY101 for field housing