• Combustion Analyser with Safety System Integration

Measurement and Testing

Combustion Analyser with Safety System Integration

Jun 18 2013

A new extractive combustion gas analyser with industry-leading safety support has been introduced by AMETEK Process Instruments (Germany). As the first instrument in its class to be third-party certified for SIL-2 implementation in Safety Instrumented Systems (SIS), the Thermox WDG-V offers a complete solution for combustion process control and safety.

The WDG-V analyser monitors hot, wet flue gas for excess oxygen. It also allows operators to lower emissions of NOx, CO and CO2 and improve operating efficiency in power generation and petrochemical refining. Reliable detection of excess oxygen and combustibles (CO) in a fired heater or boiler are critical to the effectiveness of burner management systems. The WDG-V also monitors for methane for safe burner startup.

Unique features of the new combustion analyser include: An improved aspirator design with larger orifice sizes and improved response times even with flame arresters installed; Low-flow sample alarm that monitors combustion gas flow at the sensors and provides an indication of low sample flow; Automatic verification of cell and detector response to ensure proper accuracy and operation; Cell and detector age tracking for proactive calibration or service scheduling.

The WDG-V mounts directly to the process flange and is heated to maintain all sample wetted components above the acid dewpoint. Its air-operated aspirator draws a sample into the analyser and returns it to the process.

AMETEK Process Instruments offers an extensive line of combustion gas analysers for measuring oxygen, combustibles, methane and other fuel-rich atmospheres. It is a unit of AMETEK, Inc., a leading global manufacturer of electronic instruments and electromechanical devices with annual sales of more than US$3 billion.


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