Ultrasonic Flow Meters Improve Biogas Measurements
By Dick Laan, Ultrasonic Flow Product Manager, and Rick Lowrie, Water & Wastewater Industry Manager, KROHNE, Inc.
Advancements important to growth of biogas as an energy source
As interest in biogas grows, more attention is being paid to measuring biogas flow, which has long been a problem area in process measuring technology. High water and carbon dioxide (CO2) content make biogas a demanding medium and a difficult measuring task, but a new generation of ultrasonic flowmeters makes biogas measurements stable and manageable. Among them is the OPTISONIC 7300, developed by KROHNE, Inc., which uses the time transit differential method to guarantees flow measurement with a high degree of long term stability regardless of the gas composition.
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