- Model Stackflow 200 - Averaging Pitot Sensor - Flow/Temperature/Pressure



The PCME STACKFLOW 200 averaging pitot sensor is designed to monitor the flow rate of emissions from industrial stacks for process control, regulatory flow rate and mass emission reporting (kg/year). Engineered with in-built self-checks and high quality assurance features, the PCME STACKFLOW 200 as a compliance device, satisfies emission release data reporting obligations from a regulatory perspective. The sensor is available as a standalone sensor or combined with single-channel or multi-channel PCME Control Units for enhanced user interface and easy integration of additional sampling points or other systems such as particulate monitors to provide mass emission rates. Approved to stringent QAL1 standards by TUV, as specified in EN 15267-3 and EN 16911-2, the PCME STACKFLOW 200 provides a complete solution for flow measurement according to EN 14181 and EN 16911-2.


  • Certified to EN 15267-3 with QAL1 as defined by EN 14181 to EN 16911-2
  • Flue gas velocity, temperature and pressure monitoring from a single sensor
  • Single stack mount installation provides ease of installation
  • Inbuilt manual zero and span checks
  • Corrosion resistance coated sensor option
  • Automatic inlet-cleaning cycle to reduce maintenance requirements
  • High pressure back purge option for increased dust concentrations
  • Standalone or PCME network connectivity
  • Optional sensor lengths: 0.6, 1.0 and 1.5m to suit various stack diameters and stack connection lengths

PCME STACKFLOW 200 Controllers

  • Graphical display and recording of velocity, temperature, flow rate and QAL3 results and trends
  • Mass emission calculations
  • Secure emissions reporting and QAL3 analysis via the use of PC-ME Dust Tools
  • Sensor set-up and configuration capability
  • Easy integration with dust monitors for mass emission calculation and reporting
  • Industrial communications (Ethernet, Modbus, 4-2mA output/input, alarm relays, output/input)
  • Multilingual, menu-driven display and inbuilt data logging for recording measured values and internal diagnostic parameters

Typical Applications

Stack velocity, volumetric flow and pollutant mass release calculations achievable when linked to gas and dust CEMS in the following applications:

  • Waste to Energy and Incineration Plant
  • Emissions from Steel, Chemical and Mineral processing applications
  • Gas Turbines and Coal-fired power plant
  • Industrial stacks (before or after final arrestment plant)
  • Variable speed fans on dust arrestment plant


  • Approvals: QAL1 Approved to EN 16911-2 by TUV/MCERTS
  • Gas Velocity:
    • 2-30 m/s (main Certification Range)
    • 2-50 m/s (extended Certification Range)
    • Resolution: 0.1 m/s
  • Minimum Detection Velocity: 2 m/s
  • Measurement Type: ProPitot™ (Averaging Pitot technology)
  • Active Measurement Length: 0.5 - 1.5m
  • Stack Diameter: 0.45 - 5m
  • Stack Pressure: 600 - 1100 mbar
  • Stack Temperature: -20°C - 500°C
  • Ambient Temperature: -20°C - 50°C


  • Installation Angle: Approximately 90o to stack wall
  • Flange: Integrated flange suitable for 3” and 4' ANSI or DN80 PN10/PN16 or DN100 PN20
  • Sensor Length: 0.6m, 1m, 1.5m

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