Ultrasonic sensing solution for wet environments

03 May 2022

Wet environments coupled with aggressive chemical cleaning can make non-contact ultrasonic distance measurement and level sensing challenging. The UIT300 full-metal ultrasonic sensors range from ifm electronic is said to offer a solution, ensuring long life, even in demanding environments.

All exposed surfaces of the cylindrical M30 sensors – including the sensing face and the connector housing – are fabricated from corrosion-resistant stainless-steel material.

The sensors have a sensing range of from 250 to 2,500mm, with a 400 x 400mm target. They incorporate an IO-Link interface which is used for configuration and to provide a continuous measurement of sensor-to-target distance with a resolution of 3mm. Also available via IO-Link is an echo quality indication, which can be used as an aid for optimising the installation of the sensor and to monitor its performance while it is in service.

As well as the IO-Link interface, the sensors provide two conventional switching outputs which could be used, for example, to detect high and low liquid levels in a tank. The operating points for these outputs can be freely programmed by the user. 

The operating temperature range for all UIT300-series sensors is -10 to + 60°C and they have an ingress protection rating of up to IP69K.

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