Extra requirement: sterilisable -
sterilisable flow sensor

The challenge:
A manufacturer of clinical respiratory equipment was seeking a highly accurate flow sensor to replace the hot-wire technology used until then. As a special requirement, the devices have to be sterilised regularly in the course of hospital operations.

The solution:
Sensortechnics provided a custom mass flow sensor based on MEMS silicon chip technology delivering highly accurate analog and digital output signals. The measuring element is positioned in the centre of the flow channel while the electronics are situated on the outside of the flow channel and can easily be detached from the sensing head for cleaning. The result is a robust, easily sterilisable sensor.
Sterilisable flow sensor
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