SF4-AH40-H

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Optical Sensors are devices that measure light to detect and relay information about a given situation or environment. Photointerrupters detect the presence or absence of a light beam which, when activated, will work as a switch. Slot Type photointerrupters include the SF4-AH40-H, a model used for detecting the passage of an object through a narrow slot using the interruption of a light beam. The SF4-AH40-H will provide a logic output signal based on the interruption of the passing object.

The SF4-AH40-H is a slot type photointerrupter designed for use in appliances, measurement equipment, and various industrial control applications. It consists of an infrared emitter optically coupled with a phototransistor detector, mounted in the same package. The transmitter side has an infrared LED which emits light that is partially blocked when an object is detected in the light path of the slot. The receiver side consists of a phototransistor connected to a high gain amplifier. When an object is detected, the interruption of the light beam between the LED and the phototransistor causes a current to be generated which works as a switch.

The switch action of the SF4-AH40-H is easily adjustable and can detect objects that pass through its slot. When a precision alignment of the LED and the phototransistor is needed, an alignment screw is present in the back of the device to provide an allowance for exact positioning in order to create a beam to be received by the opposite side. Additionally, the device itself containes an LED indicator light which shows visual operation status.

The SF4-AH40-H offers a wide range of detection applications. For example, it can be used to detect the presence of an object, as a counter or a limit switch, in the packaging industry, detect short objects on a conveyor belt, or for detection of position and speed. Its adjustable detection range makes it an ideal solution for a variety of applications.

The working principle of the SF4-AH40-H is simple. When a passing object is detected, the interruption of the light beam between the LED and the phototransistor causes a current to be generated. This current is then amplified by the built-in amplifier and the resulting voltage is sent to the logic output circuit. The logic output circuit then amplifies the voltage and creates a logic output signal. This signal can then be used for a variety of applications.

The SF4-AH40-H is an easy to use optical switch that is well-suited for a range of applications requiring precise detection. It is highly accurate and reliable, and offers a logical output signal to be used for a variety of purposes. The SF4-AH40-H is an ideal choice for those looking for a reliable and easy to use opto-switch for their applications.

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