PM-R25-P

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Photointerrupters, also known as slot type optical sensors, are typically used to detect the presence or absence of an object crossing its sensing face. The PM-R25-P is a particularly robust photointerrupter device which uses a dipole LED emitter and a complementary NPN open collector detector in an integrated package. This package design ensures a reliable and consistent electrical output in response to objects which are detected passing across the LED emitter and detector.

The PM-R25-P is primarily used for applications which call for high speed sensing and object recognition. When correctly configured, the device can detect object sizes as small as 3 mm, with response times as short as 0.5 ms and a maximum detection distance of 5 mm. In order to achieve this great performance, the device is designed with an outer shell made from a polycarbonate material which provides excellent optical isolation, meaning that the device is less likely to be influenced by background light.

The working principle of the PM-R25-P is simple and effective. The device consists of two parts, a light source (the LED emitter) and a light detector (the NPN transistor). When an object passes in front of the LED emitter, the emitted light is blocked and the level of light depth reaching the detector is reduced. This reduction triggers the NPN transistor, and causes it to transition from a low to a high state which is a signal that an object is present. The PM-R25-P is designed with a logic output, which means that the level of the output signal is simply an indication of the presence or absence of an object.

One of the greatest advantages of the PM-R25-P is that it can detect objects from several directions. This means that the device can be used to detect objects from the left, right, or back side with equal reliability. Furthermore, the device also offers the flexibility to adjust the sensitivity of the sensor by simply changing the emitter and detector distance, thus meeting application requirements which require different levels of detection accuracy.

In summary, the PM-R25-P photointerrupter is an excellent choice for applications which demand fast and accurate object detection. The device is designed to provide a reliable and consistent output signal which reflects the presence or absence of an object. As a result, it offers great flexibility for applications requiring object detection from various angles and sensitivities. Furthermore, its robust Polycarbonate shell ensures that the device is capable of withstanding harsh environmental conditions while continuing to provide accurate output.

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