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Accurate flow and methane measurements in wet biogas

Solve the most challenging measurement applications in your wastewater treatment plant

Biogas flow rate and methane concentration are the first parameters that indicate process disturbances in anaerobic sludge digestion. However, environmental conditions such as large flow dynamics, water-saturated biogas, changing methane concentration and extremely low pressure make measuring these parameters difficult for most devices. Our unique ultrasonic flow device offers a solution to this challenge.

High process reliability based on a unique portfolio

Ultrasonic flow device Prosonic Flow B200 in a biogas pipe ©Endress+Hauser

Typical requirements for flow and methane measurement are reliable and accurate results, a large measurement range, low pressure loss, certification for explosive areas (e.g. ATEX zone 1) and optional CH4 measurement. Also, accurate balancing of the digester process leads to high reliability in wet and dry biogas applications.

Preferred instrumentation

  • Prosonic Flow B 200

Benefits of the measuring point

  • Multivariable measurement: volume flow and, optionally, methane fraction and temperature

  • Not affected by composition change (biogas) and humidity content

  • Low pressure loss and short inlet/outlet lengths

  • Low maintenance and diagnostic capability

  • Bidirectional flow measurement



Endress+Hauser Magyarország Folyamatműszerezési Kft.
Forgach u. 9/b 1139 Budapest , Magyarország
Tel.: +36 (1) 412 0421
Fax: +36 (1) 412 0424
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