EE-SJ3-D

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Optical Sensors are devices that detect and respond to light to measure environmental changes. Photointerrupters, also known as slot type photoelectric sensors, have two elements that convert light into electrical signals, one that emits and one that detects. These sensors detect when the light is blocked from passing, and transmit the interval back to the processor. The EE-SJ3-D is an optical sensor of this type, with a transistor output for processing.

The EE-SJ3-D is an opto-sensor with a 3mm clearance aperture. It is designed for uses where detecting small objects or features are necessary. It has a small mounting size, and a long sensing range of up to 0.9mm on the infrared model. This makes it perfect for applications that require the highest level of accuracy. Its operating voltage range is between 3.3V and 30V, and it has an operating temperature range of -40°C to +85°C.

The EE-SJ3-D has a phototransistor type output, meaning that it does not need any external components to operate. The phototransistor has a high voltage gain, and an output current of up to 15mA. The device is designed to be immune to external light sources, and is suitable for a wide range of industrial applications such as large scale printing and packaging machines, office machines, copiers and automotive applications.

The EE-SJ3-D effectively detects non-metallic objects and features with edge lengths down to 0.2mm. The device is arranged in a bidirectional circuit, and uses a light-emitting diode (LED) as a light source. The light emitting diode is pointed in one direction, and the phototransistor points in the opposite direction. When an object passes in front of the light, the light beam is interrupted, and the phototransistor stops conducting. As a result, when an object passes in front of the light, the output signal changes from high to low, or vice versa, depending on the direction of the signal.

The EE-SJ3-D is also designed with a built-in Schmitt trigger circuit, which enables it to accurately detect the edges of small objects or features. Furthermore, the device comes with a variety of mounting options, making it suitable for a range of applications. The EE-SJ3-D is a simple and reliable optical sensor, and is the perfect choice for applications that require precise object detection.

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