PM-U25-P

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Optical sensors are ubiquitous, from control and sensing applications to automated consumer and industrial products. The use of optical sensors is expanding in many industries due to their advantages, such as being non-contact, maintenance-free, highly reliable, safe, and accurate. Among them, the slot type photo interrupters with logic outputs, represented by the PM-U25-P series, have become increasingly popular due to their ease of use and superior performance.

The PM-U25-P series features a miniaturized slot type optical photointerrupter with two logic output pins. It is particularly well-suited for sensing the movement of relatively small objects, and is typically used in production, automation, medical, and food/beverage applications.

The typical working principle for the PM-U25-P series involves two logic output pins, a transmitting LED and a photo transistor detector. When the transmitting LED is blocked, the inside photo transistor is not receiving light, which makes the internal photo transistor cut off and the two logic output pins are in the low level state. When the transmitting LED is not blocked, the photo transistor detector will receive the LED light, and the internal photo transistor will be turned on. Thus, the two logic output pins will be in the high level state.

The PM-U25-P series has a variety of benefits that make it an ideal choice for many applications. Its compact size of 10.7x10.2x5.8mm enables easy installation within tight spaces. It also has superior electrical and optical characteristics, making it perfectly suited for applications with high speed response (max. switching frequency of 1MHz), high input voltage of 8V, and high radiant power of 100mW/sr. Additionally, the PM-U25-P is waterproof, dustproof, and corrosion-resistant, making it well-suited for even more challenging environments.

The PM-U25-P series is designed for high reliability, long service life, and minimal maintenance. Its optically isolated structure allows for high-speed data communication without affecting the quality of the received signal. The LED and integrated circuit are both hermetically sealed in a single package, providing robust protection against high vibration and shock while improving product safety. Furthermore, the PM-U25-P series has an operating temperature range of -40°C to +100°C, making it well-suited for use in a wide range of applications.

The PM-U25-P series is also competitively priced, making it a cost-effective solution for a variety of sensing needs. Its high precision and reliability, superior electrical and optical characteristics, and long-term durability make the PM-U25-P series an excellent choice for small-object sensing applications and beyond.

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