Turck's extended portfolio now provides customers with ultrasonic sensors for virtually every application

Extended Ultrasonic Sensor Portfolio

The more compact the machine and plants, the greater the demand for small sensors. If these devices also involve short blind zones, they soon become the universal tool for restricted spaces. Turck has therefore added ten more miniature sensors to its RU ultrasonic sensor series. Twelve new types were added to the RU-Eco series with devices made from highly resistant liquid crystal polymer. This comprehensive portfolio enables the automation specialist to offer the right ultrasonic solution for virtually every application.

Operating principle

Ultrasonic sensors primarily operate using the time of flight measuring principle. The sensor emits a sonic pulse and receives the sound reflected back by objects. The time of flight between the emitted pulse and the received pulse enables ultrasonic sensors to be used not only for the discrete detection of objects, but also for measuring distances and for the output of an analog signal if required.
Ultrasonic sensors are the optimum solution for many applications where space is restricted and in which sensors are used for distance measurement or similar metrics, as they offer here several benefits compared to other solutions. An optical sensor is subject to dirt so that the user has to regularly clean it. Ultrasonic sensors on the other hand are insensitive to dirt, dust and even water. They always offer reliable operation. Ultrasonic sensors also detect every object, irrespective of the structure and color of its surface – another critical benefit compared to optical sensors.
However, ultrasonic sensors are not only superior in many respects to optical sensors. Unlike inductive sensors, which only detect metals, ultrasonic sensors can detect any medium.
This also applies to plastic, which makes them also one step ahead of capacitive sensors. Capacitive sensors are also several times more susceptible to dirt than ultrasonic sensors.

Ultrasonic sensors from Turck - robust, compact, self-cleaning

Turck's ultrasonic sensors have all these features – and more. Their highly robust housing with a continuous threaded barrel entirely made of metal is particularly short and stands out on account of a metal connector which is manufactured as one piece with the threaded sleeve. This eliminates any potential weak points that could cause damage in harsh environments and at low temperatures. The thread runs over the entire length of the sensor so that the mounting position can be varied as required within the mounting bracket. The connector can also not break off since it is made entirely of metal. Turck ultrasonic sensors also have a smooth sonic transducer front, which reliably prevents contamination and the formation of particle deposits. The mechanical movement of the membrane even shakes off deposits and is thus virtually self-cleaning.
Large range – short blind zone:
The Turck ultrasonic sensors can also be used effectively in restricted mounting spaces
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