PM-F45-P

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Optical Sensors - Photointerrupters - Slot Type - Logic Output

The PM-F45-P is a photointerrupter designed to detect the presence of an object within a slot. It has a logic output which can be used to provide on-off switching of a receiving device when an object moves in or out of its detection range. The PM-F45-P is relatively inexpensive and can be easily integrated into a variety of applications, making it an appealing selection for those wanting to detect the presence of an object in a slot.

The PM-F45-P consists of two parts: an emitting and a receiving part. The emitting part consists of an infrared LED, which illuminates a focusing lens and is focused onto the slot. The receiving part contains a phototransistor which is connected to a logic output circuit board. This setup allows the PM-F45-P to produce digital logic outputs as a result of the infrared light being interrupted by an object entering or leaving the slot.

The PM-F45-P is powered with a DC voltage of 4.5V and is capable of operating at temperatures ranging from –25°C to 70°C. It is constructed with an even weight to ensure that it doesn’t experience any damage or change its operating parameters due to vibration or movement. The PM-F45-P is cULus and CE approved.

The working principle behind the PM-F45-P is quite simple yet highly effective. The infrared LED shines light onto the slot, which is then received by the phototransistor and triggers a logic output. A detection range of approximately 3.5 mm is provided by the PM-F45-P, allowing for reliable and consistent detection of moving objects entering or leaving the slot. The LED has a life expectancy of 10,000 hours and the phototransistor has a capacitance of 0.25 pF, making it a very low-power consuming device.

PM-F45-P is commonly used in a wide range of applications due its versatility and low cost; some examples include but are not limited to automatic door applications, factory automation, and printing machines. In the door application example, the PM-F45-P can be used to detect the presence of someone entering or exiting the door, where the logic output is used to signal an opening or closing event of the door. Similarly, the PM-F45-P can be used in printing machines to detect the presence of paper, enabling an automated printing process without any human intervention.

The PM-F45-P is a cost-effective and highly-versatile photointerrupter ideal for a wide range of applications. Its ability to detect the presence of an object within a slot, along with its robust construction and long life expectancy make it a reliable choice when you need to detect an object in a slot.

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