EE-SPX303-1

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Optical sensors have proven to be one of the most important components in the industrial sensing world due to their reliable performance and superior accuracy. In particular, photointerrupters, also known as slot type switches, are used widely in detecting the presence and absence of an object through changes in the amount of light that passes through a slot. The EE-SPX 303-1 is a logic output photointerrupter specifically designed for use in equipment such as VCRs, disk drives, banking machines, and industrial controllers for counts, position and speed detection.

The EE-SPX 303-1 is an optically coupled one-channel integrated logic output photointerrupter containing a gallium arsenide infrared emitting diode and a NPN silicon phototransistor with an optically shielded slot. The EE-SPX 303-1 operates on 4.2 to 16 volts and has an open slot thickness of 0.45mm and a maximum slit width of 0.8mm.

The EE-SPX 303-1 is used for a variety of detection needs, ranging from the presence and absence of an object to the rapid detection of a specific object\'s position. Its versatility and easy-to-install features make it an attractive solution for a variety of applications. To detect the presence of an object, either a voltage source or an external light source is placed at one end of the slot of the photointerrupter, and an object is moved through the slot at regular intervals. When the light reaches the other end of the slot, it is blocked, and a change in the level of light detected by the phototransistor is sent to the logic circuit. The logic circuit then amplifies and sends the signal to the output terminal of the photointerrupter.

The EE-SPX 303-1 also allows for detection of specific objects’ positions. Instead of using an external light source or a voltage source, a series of markings are placed along the slot. The phototransistor then detects the presence of each marking as it passes, allowing for a slower, more precise position and speed detection. The EE-SPX 303-1 can detect objects at speeds up to 250kHz, and its response time ranges from 0.35 µs to 0.60 µs, depending on the amount of light received.

Due to its versatility and accuracy, the EE-SPX 303-1 has become the go-to photointerrupter for many applications in the industrial sensing world. It is suitable for use in small and fast-moving parts counting operations, motor and motion control, robotics, and even automated machine manufacturing. It is capable of handling a wide variety of materials, including metals, plastics, and fabrics, and its output signal is reliable and easy to interpret. The EE-SPX 303-1 is also available in a variety of package types for easy installation and efficient integration into existing systems.

The EE-SPX 303-1 is an effective and versatile solution for many industries, providing accurate detection and reliable results. By combining an optically shielded slot with a photointerrupter, the EE-SPX 303-1 can detect a wide variety of objects and provide reliable results in a cost-effective manner.

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