EE-SPX843

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The EE-SPX843 is an optically activated slot type photo-interrupter, which is a type of devices used for sensing applications and provide switchable logic outputs. It is used mainly in applications such as conveyor speed control, security systems, and process control. The EE-SPX843 utilizes a transmitter and receiver pair to detect the presence of an object. The transmitter is an infrared emitter and the receiver is a photodetector.

The photo-interrupter has two components, an emitter and a receiver. The transmitter is a light source with a clear plastic or glass lens that focuses light onto a light beam with an angle of 65º. This light beam transmits across an open space to a photodetector. When an object interrupts the presence of the light beam, it triggers the transmitter to output a LOW signal.

The sensor works on the principle of optical interruption. When an object interrupts the optical path between the transmitter and receiver pair, the output signal of the photo-interrupter changes to LOW. The EE-SPX843 is designed to provide a logic output, i.e. 0V LO (Low output) and 5V HI (High output). The photon signal is converted into electrical pulse for applications such as counting, detecting speed, and activating alarms.

The EE-SPX843 is designed with a wide input voltage range of 6.0 to 18.0V and a low power consumption of 3mA. It has a high switching speed of 30,000Hz and a response time of 1ms. The slot width of the EE-SPX843 is 8.5mm and the maximum reliability of the interrupter is 15 million operations. The device is robust and consists of a high quality EC-101FW lens, which has high efficiency and uniformity.

In addition to conveying systems, the EE-SPX843 can be used in security systems. It can be used for detecting an intruder by the interruption of the optical path. The transmitted light is then interrupted by the intruder, which triggers the receiver to output a logic LOW signal. When this signal is analized further, then it can trigger alarms.

The EE-SPX843 is a reliable and cost effective solution for sensing and process control applications. It offers high reliability, high switching speed, and a wide operating temperature range. The device is designed to provide a logic output, as it is an optically activated photo-interrupter and can detect small objects across a large area.

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