Multi-Parameter Analyzers
Endress+Hauser COS61 Optical Dissolved Oxygen Sensor
Endress+Hauser COS61 Optical Dissolved Oxygen Sensor. Applications: municipal and industrial wastewater treatment; drinking and process water monitoring.
Max flow
—
Max pressure
—
Turndown / accuracy
—
Wetted materials
—
Protection
IP68
Power
—
Features
- Optical Dissolved Oxygen Sensor
- Ingress protection: IP68
Specifications
| Brand | Endress+Hauser |
| Model | COS61 |
| Product type | sensor |
| Measured variables | — |
| Process connection | thread |
| Ingress protection | IP68 |
Applications
Materials & media
Ask for wetted-parts details or check the brochure.
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
Control options are listed in notes or confirmed on inquiry.
Models & specs
| Model | |
| CCS51 | |
| COS41 | |
| COS61 |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
Related / accessories
Multi-Parameter Analyzers
Conductivity Transmitter Controller ARK84
Multi-Parameter Analyzers
Conductivity Electrode ARK64
Multi-Parameter Analyzers
Flow Sensor ARK61
Multi-Parameter Analyzers
Suntex 8-223 Electrode
Multi-Parameter Analyzers
Flow Transmitter Controller ARK81
Multi-Parameter Analyzers
Suntex 8-11-3 Electrode
Related solutions
Related case studies
Drinking Water
Water Plant NaOCl Disinfection System
Complete dosing skid with online finished-water chlorine monitoring keeps byproducts controlled.
Hospital
Hospital Wastewater Disinfection
Online chlorine monitoring with auto-dosing and alarm sampling passed environmental acceptance.
Wastewater
Municipal WWTP PAC Dosing Upgrade
Mechanical diaphragm pumps with online turbidity monitoring cut chemical consumption by 15%.
Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.