Description
Endress+Hauser COS51E-AA26TN COS51E-1009/0
Reliable optical dissolved oxygen measurement for wastewater and water monitoring with minimal maintenance.
| Brand | Endress+Hauser |
| Model | COS51E-AA26TN COS51E-1009/0 |
| Voltage | 24V DC |
| Country of Origin | Germany |
| Weight | 0.8 kg |
| Dimensions | 120x60x60 mm |
| Warranty | 24 months |
| Certifications | CE, UL, ATEX, IECEx |
| SKU / MPN | COS51E-AA26TN COS51E-1009/0 |
| What’s in the box | Dissolved Oxygen Sensor, calibration cap, O-ring set, manual |
| Measurement Principle | Optical (luminescence) |
| Measuring Range | 0 to 20 mg/L |
| Accuracy | ±0.1 mg/L |
| Response Time | T90 < 60 s |
| Process Temperature | -5 to 50 °C |
| Process Connection | G1/2 thread |
Key benefits: Optical technology eliminates drift, low maintenance, fast response, robust design for harsh environments, easy calibration.
Typical applications: Wastewater treatment aeration control, river monitoring, fish farming, drinking water monitoring, industrial effluent treatment.
Lifecycle: Active product, 10+ years availability
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Linda B. –
Good quality sensor, accurate readings. Will order more for our production line.