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lvdt displacement sensor

Have you ever considered how engineers measure the distance that something moves? It’s pretty interesting! In engineering, an LVDT displacement sensor is a useful tool for engineers when they need to determine how far the object has moved. LVDT means Linear Variable Differential Transformer and it may too hi-tech, however let's unpack this.

An LVDT is a type of sensor, similar to an encoder in that it tells us about the position or movement of something. More specifically, this sensor is good at measuring how much an object moves. Displacement refers to the distance an object hasmoved from where it began. For instance, just thought of a pencil sitting on your desk. If you slide your pencil over from one side of a notebook to the other, then it is displaced. The rest is just how much has it moved!

Non-Contact Sensing Technology

The basic LVDT working principle is shown in the figure. One special thing about the LVDT is that it can be used to measure without contacting with measured object. This indicates it will absolutely not disrupt the product. It does not rely on physical contact but has a magnetic field which identifies the position of object. When an LVDT is constructed, a tube will be wound with wire and hasone other metal piece that can fit snuglywithin the actualtube.

The electrical power going through the coil of wire results in a magnetic subject. The metal piece moves in and out of the tube; this changes the magnetic field. Such changes are detected by a clever device called as the LVDT. It then converts this magnetic field change in an electric signal. It can display this electric signal on a computer screen and instead of an input device, it is used in many other places as well by engineers or scientists.

Why choose SOP lvdt displacement sensor?

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