SF4-AH88-H

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Optical Sensors are an important class of sensing devices commonly used in industrial electronics. Photointerrupters, in particular, are widely used for a variety of applications, including detection of motion, rotation speed, and light on/off control. One of the most popular types of photointerrupters is the Slot Type, which features an IR transmitting and receiving part and a logic output. One of the most commonly used Slot Type optical sensors is the SF4-AH88-H.

The SF4-AH88-H is a slot type light detector designed for control of household appliances and industrial machinery. It features a built-in emitter and detector, and provides a TTL-compatible output. The emitter is composed of an infrared LED, while the detector is an NPN silicon photo transistor. The device is housed in a small, compact package, making it ideal for use in space-constrained applications. The device is designed for a wide range of applications, including but not limited to consumer electronics, industrial automation, machine vision, and HVAC control.

The working principle of the SF4-AH88-H optical sensor is relatively straightforward. When an object passes through the slot-shaped window between the emitter and detector, the IR light from the LED is blocked and the photo transistor no longer receives any light. This changes the electrical characteristics of the detector, and the logic output changes from HIGH to LOW, or vice versa. The output is held in this position until the presence of the object is no longer detected.

The SF4-AH88-H photointerrupter can be used in a wide range of applications, such as industrial automation, surveillance, vending machines, and gaming machines. It can be used to detect motion, allowing the system to respond to events triggered by the presence of an object. It can also be used for light on/off control - when the object passes between the emitter and detector, the logic output changes state, allowing the system to be triggered as the object passes through the slot.

The SF4-AH88-H photointerrupter offers a wide range of features and benefits, making it one of the most popular slot type optical sensors available. It is simple to use, easy to configure, and provides reliable performance. Furthermore, it is housed in a small, space-saving package, making it perfect for tight spaces. Its low price point makes it one of the most cost-effective sensing solutions available.

In conclusion, the SF4-AH88-H photointerrupter is a popular and reliable slot type optical sensor, well-suited for a wide range of applications. It is easy to use and configure, and provides a reliable logic output. It is also space-saving and economical, making it a great choice for those looking for a highly-functional sensing solution.

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