SFH 2201 Sensors, Transducers

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Optical Sensors are devices combining an emitter with a detector, a signal processing unit and a transformer. Their main capabilities are to detect the presence or absence of a target, to measure the distance of an object/medium, and/or to measure a rate of velocity of object/medium. Photodiodes are one type of optical sensor. The SFH 2201 optronic sensor is a high power, high speed, low power consumption and low noise optoelectronic device developed by Siemens which combines both an emitter and a detector and offers several advantages in comparison to its counterparts.

As an optoelectronic optical sensor, the SFH 2201 is mainly designed for use in industrial applications. The device contains an integrated infrared LED emitter and a detector, which can detect different types of objects such as paper pulp, powder, liquid, etc. Its high power output enables it to detect objects with greater precision, and compared to other optical sensors, it offers a high signal-to-noise ratio and is also resistant to ambient light interference. The SFH 2201 is also suitable for long-distance detection in environments where regular cameras are unable to perform such operations.

The working principle of the SFH 2201 is based on the PIT (photodetection and infrared transmission) signal principle. The device emits an infrared (IR) signal which is focused to the surface of the object to be detected. The reflection of the IR signal is then received by the detector and converted to an electrical signal, which is then sent to the signal processing unit for analysis. The signal processing unit then processes the signal and detects the objects. Depending on the configuration of the system, the signal can be used to either measure the distance of objects, or to detect the presence or absence of object.

The advantages of the SFH 2201 also include its low power consumption, low noise emission levels, and high robustness to external interference. It is also highly shock and vibration resistance, and as such is well suited for use in industrial applications. This makes it desirable for applications such as paper pulp detection, powder feeding, liquid level sensing, etc. where accuracy of detection and robustness to external interference is essential.

The SFH 2201 is one of the most advanced optical sensors available on the market due to the combination of its various features such as robustness, low power consumption, and superior accuracy and reliability. It is also relatively inexpensive, making it especially suitable for mass production. As such, it is an ideal choice for a variety of industrial applications where high-precision detection is necessary.

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