induktiivmõõtur

Induktiivmõõtur is a type of measuring instrument that utilizes the principles of electromagnetic induction to determine the value of a physical quantity. These devices are commonly employed for measuring electrical parameters such as current and voltage, as well as non-electrical quantities like displacement, speed, and proximity by converting them into an electrical signal.

The fundamental operation of an induktiivmõõtur relies on a change in magnetic flux, which induces a voltage in a coil according to Faraday's law of induction. In many applications, the measured quantity directly or indirectly affects the inductance of a coil or the mutual inductance between two or more coils. For instance, a linear variable differential transformer (LVDT) is a common type of induktiivmõõtur used for precise displacement measurement. It consists of a primary coil and two secondary coils wound on a common core, with a movable magnetic core. As the core moves, the magnetic coupling between the primary and secondary coils changes, resulting in a variable output voltage proportional to the displacement.

Induktiivmõõturid are known for their robustness, lack of physical contact in many sensing applications (thus reducing wear and tear), and their ability to operate in harsh environments. They are often used in industrial automation, automotive systems, and scientific instrumentation where reliable and accurate measurements are critical. The output of an induktiivmõõtur can be an analog voltage or current, or it can be digitized for further processing by microcontrollers or other electronic systems. Their non-contact nature makes them ideal for measuring moving parts or in situations where contamination or wear could be an issue for other sensor types.