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Bubble-detecting sensors protect pumps from unwanted downtime

12 June 2024

Helping to protect pumps from running dry and detecting even the tiniest bubbles in flow control applications is a good example of where system engineers need to prevent unwanted and expensive downtime due to pump malfunction caused by unwanted gas inclusions.

The development of the PAD20 sensor (a finalist in the recent Food Tec Awards) is a good example of the range of sensors available from Baumer.

This ‘smart’ sensor helps to protect pumps from running dry, whilst also helping to ensure maximum system performance and optimum use of resources. 

However, the PAD20 sensor is not only good at protecting pumps as reliable detection of gas bubbles, but also optimises the energy efficiency of cooling and heating systems in industrial applications.

The sensor has the ability to measure air in all types of liquids regardless of whether liquids are pasty or viscous, reliably and fast.

Another good example is where the sensor has helped a major dairy manufacturer solve the decades-old problem of containers not being fully emptied.#
In summary, PAD20 sensors are an effective, robust solution for detecting air and gas bubbles in any liquid or viscous media such as fruit preparations, cooling agents (DC>1.5) and particularly in harsh ambient conditions.
Switching outputs are individually adjustable with IO-Link (2) for definition of switching range, or two-stage alarms (early warning) and they provide optional multi-colour process visualisation through 360º of switching state. 

The BAUMER PAD20 ‘Bubble Sensor’ was shortlisted in two categories, ‘Product of the Year’ and ‘Environmental Contribution of the Year’, at the 2024 Pump Industry Awards.

More here.

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