UPL Series

Good value proximity switch with fixed switching distance 200mm

Properties

Ultrasonic sensors are best suited for detection of objects with very different surfaces and materials, as well as under difficult environmental conditions such as dust, dirt, fog, bright light. There they have clear advantages compared to inductive, capacitive and optical sensors.

The ultrasonic proximity switch UPL 200 is designed for detection in the rather close range up to 200mm. It has a fixed switching distance and no setting elements (only an LED). Thus it is most suited for lateral approximation of objects, e.g. on conveyors. In order to detect targets in the whole range between 0…200mm, the object should have a minimum size of approx. 15mm and it should not be made of sound absorbing material. In the range 80…200mm the sensor detects also much smaller and sound absorbing objects.

Blind range

The typical zone close to the ultrasonic sensor is called blind zone. Conventional sensors cannot detect in the blind range. However the UPL type detects most objects also in the blind range due to its high power SONARANGE transmitter and the M30 surface, i.e. in the whole range from 0…200mm. Only very bad reflecting (e.g. some textiles) or very small objects (<15mm) can be detected only above 80mm distance. Thus for most objects the sensor works without blind zone.