Omegas ENO11 – In-Situ Oxygen Analyzer for Combustion Control
The Endress+Hauser Omegas ENO11 measures oxygen concentration directly in the flue gas stream using the zirconia sensor principle. It enables precise combustion control for improved energy efficiency and reduced emissions.
Key Features
- Measuring principle: Zirconia (electrochemical)
- O₂ range: 0 to 25% vol
- Accuracy: ±0.2% vol O₂
- Response time: T90 < 3 seconds
- In-situ measurement (no sample conditioning)
- Probe temperature: up to +1300 °C
- Output: 4–20 mA, relay
- Integrated reference air pump
- Automatic calibration
- Protection: IP54
Applications
Boiler combustion optimization, furnace control, kiln monitoring, incinerator control, power plant efficiency, NOx reduction programs.
Technical Specifications
| Parameter | Value |
|---|---|
| O₂ range | 0–25% vol |
| Accuracy | ±0.2% vol O₂ |
| Response time | T90 < 3 s |
| Probe temperature | Up to +1300 °C |
| Measuring principle | Zirconia electrochemical |
| Output | 4–20 mA, relay |





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