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Krohne announce new biogas flowmeter

Leading system provider of industrial process measurement instrumentation, Krohne, has announced their new product, the Optisonic 7300 biogas ultrasonic flowmeter.

The machine is specially designed to measure dry and wet biogas with variable composition. The flowmeter also provides features like calculation of standard volume, methane content measurement, and diagnostics features.

The Optisonic 7300 biogas overcomes the limitations of the ultrasonic principle in biogas applications due to high damping of the acoustic signals by carbon dioxide and high water content in the biogas.     

Its signal transducers provide a stronger ultrasonic signal into the gas, and specialized signal processing enables better detection of small, strongly dampened acoustic signals. These features, along with the mechanical design of transducers and transducer pockets, make the measurement insensitive to liquid water and biological scaling.

It features a built-in temperature sensor that facilitates direct measurement of methane content using calculation of the molar mass, in combination with the measured velocity of sound. This enables end users to determine the exact methane content of the biogas, necessary when the biogas is used as fuel for gas engines in a combined heat and power (CHP) unit.

 





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