COS61D-AAA1A4 Endress+Hauser - Digital Oxygen Measurement Sensor

The COS61D-AAA1A4 is an Endress+Hauser digital oxygen sensor used for continuous dissolved oxygen measurement in process and utility water applications.

The COS61D provides digital, plug-and-play oxygen measurement with onboard sensor memory, simplifying calibration and sensor exchange in the field. It is designed for continuous monitoring in applications such as wastewater aeration control, fermentation, and general process oxygen measurement, helping optimize aeration energy use and process quality.