Meters • Optical Flow Meters

Optical flow meters utilize light to measure flow rate, commonly employing lasers and photodetectors.


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  • Smart Measurement Inc

    SmartMeasurement are manufacturers of ALOFS optical flow meters, offering continuous flow measurement for small and large ducts or stacks. The ALOFS measures flue gas velocity, and meets 40 CFR 75 requirements. The system features long term drift of less than ±1 %.

  • Optical Scientific, Inc.

    Optical Scientific features their OFS-2000 Series of optical flow meters for process control and smokestack monitoring. The OFS measures velocity of pollution moving out of the smokestack. Applications include steel manufacturers, petrochemical plants, and monitoring of greenhouse gas emissions.