SIEMENS QGO20.000D27 O2 SENSOR

General Description:
The SIEMENS QGO20.000D27 is an electrochemical oxygen sensor designed for continuous measurement of oxygen (O₂) concentration in flue gases of industrial boiler and burner systems. It works in conjunction with flue gas analyzers to optimize the fuel-air ratio, improve energy efficiency, and reduce emissions.

Technical Specifications:

• Measuring Range: 0 ... 21% O₂

• Signal Output: 4 ... 20 mA analog output

• Power Supply: 24 V DC

• Sensor Type: Electrochemical cell

• Operating Temperature: 0 ... +70 °C

• Mounting: Flange installation into flue or gas sampling line

• Connection: 3-wire system

• Compatibility: Compatible with Siemens O₂ analyzers and control systems

• Protection Class: IP65

• Calibration: Supports automatic or manual calibration

Applications:

• Gas or oil-fired burner systems

• Industrial boilers

• Waste heat recovery systems

• Emission control installations

• Combustion optimization processes

Advantages:

• High-accuracy O₂ measurement

• Fuel savings and emission reduction

• Compact and durable design

• Easy installation and maintenance

• Full integration with automation systems