PM-U25

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Optical sensors are devices that measure light properties and transmit signals resulting from them to an electronic system. They need to be able to detect small changes in order to respond rapidly to a changing environment. Photointerrupters are a type of optical sensor that detect the interruption of light beams and convert them into an electrical signal. One type of photointerrupter is the slot type, which is used in the PM-U25. These devices can detect the presence or absence of an object that interrupts the light beam with an accuracy of 1mm or less.

Contained inside the PM-U25 is a compact light source and a light detector. The light source emits an infrared light beam along an optical axis. When an object passes through the path of the light beam, it is detected by the photointerrupter and an electrical signal is generated. This signal is used to trigger an appropriate action from the sensing system.

The PM-U25 utilizes a logic output to provide simple and reliable detection of the presence or absence of an object and also to indicate whether the object is in motion or static. A threshold voltage is set in order to ensure that a minimal amount of disturbances will activate the output when an object is detected. The logic output is able to ensure a high level of accuracy by adjusting the threshold voltage. Additionally, it is possible to adjust the sensing area by adjusting the width of the infrared beam.

The PM-U25 is a highly reliable and accurate slot type photointerrupter that can provide fast detection of objects with minimal interference. It is suitable for applications like packaging/conveying, electronic door locks, as well as robotics and factory automation processes. Thanks to its logic output feature, it is able to provide a simple and reliable indication of the presence or absence of an object, as well as whether it is in motion or static. The adjustable infrared beam also makes it possible to adjust the sensing area for more specific applications.

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