The Prosonic B 200 ultrasonic biogas flow meter from Endress+Hauser measures the flow and methane content of biogas for process control, emissions reporting and energy balancing in anaerobic digesters and other biogas producing processes.
The device is suitable for biogas, landfill or digester gas, and other types of low-pressure, wet or contaminated gas. The product designers applied transit time ultrasonic technology, proven in wet, dirty refinery flare gas applications, then improved and optimized it for biogas applications.
The meter body has a 316L stainless steel construction and is suitable for wet, dirty or corrosive gases. The flow meter is available with an












