70156-4533

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Part Status:	Active

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Optical Sensors - Photoelectric, IndustrialOptical sensors belong to a broad category of sensors that detect and measure light in some form. Those within the scope of this article are specifically designed as industrial and/or photoelectric sensors. As such, they are used in a wide range of applications and for a variety of purposes, including production and manufacturing, space exploration, medical, automotive, defense, and more.In particular, the 70156-4533 sensor is a high-performance, miniature photoelectric sensor designed to detect objects that are opaque, reflective, transmissive, or transparent across a wide range of visible light and infrared (IR) wavelengths. It uses two separate optical sources (a LED emitter and an integrated position sensor) to detect the presence or absence of an object. It is used in many different applications, including manufacturing, automotive, medical, and artificial intelligence (AI).The 70156-4533 has an inherent illumination range of approximately 2mm. This is due to its use of dual illumination sources. The LED light source emits a strong light beam in the visible bandwidth while the second optical source is a sensing position sensitive detector. The second source has a wavelength range that spans from the visible part of the spectrum right into the infrared. The detector is sensitive enough to detect objects up to two millimeters away while operating in very low light conditions.This dual illumination approach allows the sensor to detect objects that are either transparent, opaque, reflective, or transmissive. The device can identify objects of various shapes and sizes, and can even distinguish between objects of different colors. Its light detection range covers the entire spectrum from ultraviolet (UV) to near-infrared (NIR). With its high signal-to-noise ratio and wide response bandwidth, the 70156-4533 operates reliably in a wide variety of environments.The operating principle of the 70156-4533 is based on the relative position of the LED emitter and the integrated position sensor. When the environment is dark or dimly lit, the sensor emits a light beam and measures the amount of reflected or scattered light coming back. When it detects a presence, the LED emitter adjusts its intensity accordingly, shifting the relative position of the two sources and causing the light output to change. Depending on the environmental conditions, the level of light emitted and the amount of scattered light detected can be used to determine the presence or absence of objects in the environment.The 70156-4533 also utilizes an automatic background filtration indication feature, which uses the LED source\'s intensity range to filter out unwanted signals and further improve detection accuracy. This feature can be adjusted externally for maximum measurement accuracy and minimum energy consumption. Additionally, the sensor supports various wiring formats, making it easy and convenient to connect with other devices and systems.In summary, the 70156-4533 is a photoelectric sensor distinguished by its highly sensitive design, which allows it to detect objects across a wide range of visible and infrared wavelengths. Its dual illumination design provides an inherent illumination range of up to two millimeters, and is designed to recognize a variety of shapes and sizes. The light output can be adjusted externally for maximum accuracy, and the sensor also includes an automatic background filtration indication feature to eliminate unwanted signals. Additionally, it is highly versatile and compatible with other devices and systems for increased system integration.

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