IQ25-05BPSDU2S

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Proximity sensors are active and passive sensors, which take advantage of the properties of the electric, optical, magnetic or mechanical fields in order to detect the presence of an object without physical contact. Among the different types of these devices, there is the capacitive type, which is able to detect the presence of an object by detecting the electrical capacitance formed between the sensor and the object.

One of the most reliable types of this sensor is the IQ25-05BPSDU2S, which is a small size and high-performance capacitive proximity sensor. It is widely used in applications such as printing and publishing, cutting and welding, electronic manufacturing, precision assembly, and automation.

Working Principle

The IQ25-05BPSDU2S is a narrow field capacitive proximity sensor. It is composed of a transducer probe, an excitation circuit and a receiver circuit. The transducer probe is the main sensing part. It consists of a printed circuit board, a steel sensing surface and a plastic protective cover. The printed circuit board contains wire-bonded integrated circuits that serve to excite the sensing surface and to detect the changes of the electric field at the sensing surface.

The excitation circuit is responsible for powering the transducer and generating the electric field. This circuit utilizes a low frequency alternating current to generate an electric field on the sensing surface. The receiver circuit is designed to detect the changes in electric field caused by an object being put near the sensing surface. This change in the electric field is detected by an electronic circuit, which then alerts the user.

The IQ25-05BPSDU2S can detect objects with a sensing distance of up to 2.5 mm. It is highly accurate and can ensure reliable operation even when the environmental temperature varies. It is also able to differentiate between the target object and surrounding objects, providing good isolation performance. Moreover, it is resistant to dust and moisture, which help extend the life of the sensor.

In summary, the IQ25-05BPSDU2S is a highly reliable capacitive proximity sensor which can detect objects up to 2.5 mm away. It is widely used in printing, welding, electronic manufacturing, precision assembly, and various automation applications. The integrated transducer probe, excitation circuit, and receiver circuit all work together to ensure the reliable detection of objects without physical contact.

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