SP-L-0170-103-3%-RH

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Position Sensors - Angle, Linear Position Measuring

SP-L-0170-103-3%-RH is a kind of position sensor, which belongs to the angle, linear position measuring category. In this article, we will introduce its application field and working principle.

Application Field

SP-L-0170-103-3%-RH is a very compact and low profile linear position sensor, which is designed for the applications with limited installation space or low profile. The basic environment-resistant feature of this sensor (IP 68 protection) ensures that it can be used in harsh environment. The excellent signal linearity (typical accuracy is 0.2%), as well as wide range of power supply (from 10 to 30 V DC) and dynamic response (response time is less than 1 ms) make it perfect to uses such as motion control.

Working Principle

The working principle of SP-L-0170-103-3%-RH is based on linear variable differential transformer (LVDT). The main components for the sensor include primary, secondary and third windings, and a core of magnetic material. In normal condition, the core of magnetic material is in the middle of the magnetic windings, and the voltage of the three windings are equal. When the core is moved from the center position, the voltage of one winding will increases while the other two will decreases, thus a differential voltage can be obtained as the output of the sensor.

For SP-L-0170-103-3%-RH, its core contains a magnet, which interacts with an external magnetic field in order to get the location data. Thus the movement of the core can be detected without physical contact, and the linear position data with high accuracy (typical accuracy is 0.2%) can be obtained.

Conclusion

SP-L-0170-103-3%-RH is a kind of compact and low profile linear position sensors, which is designed for the applications with limited installation space or low profile. It is excellent at motion control due to its wide range of power supply, dynamic response, and the high accuracy it can achieve with its linear variable differential transformer design.

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