1. The displacement sensor is a device that converts the motion displacement of the object into measurable electrical quantities. It is usually used to convert physical quantities such as displacement, orientation, deformation, oscillation, and size that are not convenient for quantitative detection and processing into electrical quantities that are easy to quantitatively detect and facilitate information transmission and processing.
2. Potentiometer displacement sensor: It converts mechanical displacement into a linear or arbitrary function relationship with the resistance or voltage output through the potentiometer element. Generally, linear potentiometers and round potentiometers can be used as linear and angular displacement sensors, respectively. However, potentiometers designed for the purpose of measuring displacement require a confirmation relationship between the change in displacement and the change in resistance. The movable brushes of the potentiometer displacement sensor are connected to the object to be measured.
3. The displacement of the object causes the resistance of the moving end of the potentiometer to change. The amount of change in resistance reflects the magnitude of displacement, and the increase or decrease of resistance indicates the direction of displacement. Usually a supply voltage is applied to the potentiometer to convert the resistance change into a voltage output.
4. The magnetostrictive elastic displacement sensor accurately detects the positive orientation of the active magnetic ring through the internal non-touch measurement and control technology to measure the actual displacement value of the detected product. It uses the principle of magnetostrictiveness to generate a strain pulse signal through the intersection of two different magnetic fields to accurately measure the bearing. The measuring element is a waveguide, and the sensitive element inside the waveguide is made of a special magnetostrictive material.
5. The magnetostrictive displacement sensor is a displacement sensor with high precision and long stroke positive azimuth measurement made according to the principle of magnetoelasticity. It adopts the internal non-touch measurement method, because the movable magnetic ring and the sensor itself for measurement do not have a direct touch, so it will not be rubbed and worn, so it has a long service life, strong environmental adaptability, high reliability, good safety, and is convenient for system automation operation, even in harsh industrial environments (such as simple oil, dust or other polluted occasions), it can also operate normally.
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NBN40-L2-E0-V1/ NPN normally open
NBN40-L2-E2-V1/ PNP normally open
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Problems with differential pressure sensors – Blessing
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The application of P+F sensors
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The scale or abbreviated shape of an object.
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Classification and principle of displacement sensors
According to the principle of operation:
Potentiometer-type displacement sensor
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