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LCR Measurement
A B C D E F G H I J L M N O P Q R S T U V W
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LCR Measurement

What does LCR Measurement mean?

A LCR measurement is a measurement of electrical components or circuits in which the three fundamental quantities are determined:

An LCR measurement is used to precisely determine the electrical basic quantities resistance, capacitance, and inductance – typically with an LCR meter in the laboratory or in manufacturing.
During an LCR measurement, a component or circuit is subjected to a defined alternating current or alternating voltage signal using an LCR meter (also called an RLC meter).

What is it used for?

  • Characterization of individual components (capacitors, inductors, resistors).

  • Testing tolerances and quality in production.

  • Analysis of material properties (e.g., dielectric properties of capacitors).

  • Troubleshooting in circuits (e.g., whether a capacitor has aged or an inductor is defective).

Measurement Types:

  • Series equivalent circuit (SER): Models the component as resistance + reactance in series.

  • Parallel equivalent circuit (PAR): Models the component as resistance + reactance in parallel.