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Reliable gas bubble detection in liquid processes

In many industrial processes, including alkaline electrolysis, early and reliable detection of gas bubbles plays a crucial role in maintaining process stability, product quality, and equipment protection. Even small amounts of gas can indicate disturbances such as leaks, backflow, or phase transitions, which can affect both measurement accuracy and overall system performance.

With ultrasonic technology, the LiquiSonic® system from SensoTech enables real-time detection of gas bubbles directly in the process line. The sensor continuously analyzes acoustic signals while an intelligent algorithm identifies characteristic patterns caused by gas-related disturbances. This allows for early detection of anomalies and supports both predictive maintenance and continuous process safety.

LiquiSonic®Sensors are designed for continuous inline operation and can simultaneously measure concentration and detect gas bubbles, eliminating the need for manual sampling. Their robust, maintenance-free design and high measurement accuracy make them suitable for a wide range of applications – from chemical and energy processes to carbon capture, green fuel synthesis, and other liquid-based systems where reliability and transparency are essential.

LiquiSonic® combines two key measurement functions – concentration monitoring and gas bubble detection – in a single, reliable inline solution. With increased efficiency, operational safety, and scalability, the technology sets a new standard in modern process analytics.


The practical implementation of this technology is illustrated in the video below on the page. Using real process conditions, the recording shows how the LiquiSonic® sensor detects gas bubbles in real time. The visualization aids in understanding the measurement signals and highlights the added value of continuous inline monitoring during operation. The video offers users practical insights into the performance of gas bubble detection under industrial conditions.


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Alkaline electrolysis

Gas bubbles are unavoidable in electrolysis but can significantly affect measurement accuracy. SensoTech technology specifically detects these interferences, compensates for them intelligently, and makes gas bubbles usable as an independent measurement variable for the first time. This makes process deviations visible early on and supports stable, safe electrolysis.