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Proximity Sensors

Proximity sensors are generally used to detect the presence or absence of a target object or to measure the distance between the sensor and the target object. In essence, proximity sensors are active devices that emit a field, and then detect changes in the field in order to determine the presence or absence of a target object, and the position of the target object relative to the sensor.Proximity sensors are ubiquitous in both industrial and consumer applications. Common applications include positioning of automated systems in industrial automation and robotics, security systems in homes and businesses, and navigation systems in cars and other vehicles.

9924-0500 Application Field and Working Principle

The 9924-0500 series is a family of non-contact proximity sensors that use infrared electromagnetic waves (10-30KHz). It is mainly used for automatic detection and positioning of semi-transparent materials (such as plastic bags, transparent boxes, cardboard boxes, film bags, blister packages, etc.), with a maximum sensing distance of 10mm. The 9924-0500 adopts the meshing frequency modulation and polarization cross-talk suppression mode, which makes the product more anti-interference and achieves stable performance. Thanks to its wide adjustable detection distance and the ability to detect transparent materials, this series of proximity sensors is suitable for a wide range of applications, such as automated packaging systems, automated assembly lines, etc. The working principle of the 9924-0500 is as follows: firstly, the emitter sends out modulated infrared electromagnetic waves, which are reflected by the surface of the object being detected and are received by the receiver. The receiver then compares the received infrared electromagnetic wave amplitude with the atmospheric background value and uses the difference to judge the presence of the object.

The 9924-0500 transceiver is designed to have a polarization difference and a frequency difference, so that its infrared electromagnetic wave has a weak directionality, which can reduce interference from reflected light and other sources and increase the accuracy of detection. Furthermore, when an object is detected, the receiver can determine the position of the object by using the intensity of the reflected signal.

Since the 9924-0500 relies on reflective wave detection, it can be used to accurately detect semi-transparent materials. In addition, the switch is insensitive to dust and dirt, and can be used in wet and dry conditions. These features make it highly versatile and suitable for a range of industrial applications.

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