Stackflow 400 - Flue Gas Velocity Monitor

SKU: S400

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The STACKFLOW 400 is an advanced flue gas flow measurement system for continuously monitoring releases from industrial sources. This instrument complies with European monitoring standards EN 16911-2 and 15267-3 for QAL1.

Product Description


The PCME STACKFLOW 400 is suitable for measuring the flue gas flow rate after both bag-filter and electrostatic precipitator (ESP) arrestment plant and satifies the need for high quality measurement on emission release data. From a regulatory perspective its high quality assurance features make the sensor suitable as a compliance device. This instrument complies with European monitoring standards EN 16911-2 and 15267-3 for QAL1.

Typical application areas are:

• Waste-to-Energy and Incineration plants

• Emissions from Steel, Chemical and Mineral processing applications

• Gas Turbines and Coal-fired Power plants

• Industrial stacks (before or after final arrestment plant)


  • Unique extended measurement path (400mm) permits accurate and increased representative measurement     
  • Robust flow measurement for industrial applications    
  • Inbuilt automatic reference self-checks for regulatory compliance (QAL3)    
  • Facilitates stack velocity, volumetric flow and pollutant mass release calculations when linked to gas and dust CEMS        
  • Angled probe version to fit existing perpendicular ports


The STACKFLOW 400 sensor satisfies the need for high quality assurance on emission release data, reporting mass emissions (kg/year) as well as concentration monitoring.

It uses ENVEA’s unique Fluesonic® technology and mathematical measurement algorithm (patent pending) that allows the transit time of the signal to be measured accurately in real stack conditions, hence permitting:
• An extended measurement path of 400mm in a single, stack-mounted probe design

• Capability to deal with flow profiles across the extended measurement path

• Tolerance to contamination and flow eddies


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View FileStackflow 400 Datasheet
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