An LCR meter is an electronic test instrument that measures inductance (L), capacitance (C), and resistance (R) in components such as coils, capacitors, and resistors. Depending on the model, it may also report related properties, including impedance or a component’s loss characteristics.
These measurements help technicians and engineers check components, troubleshoot circuits, and verify parts against expected values. Readings depend on factors such as test frequency, measurement range, probe connections, and calibration, so a result should be interpreted within the meter’s specifications. A demonstration may show how to take a reading, but reliable work also requires understanding the instrument’s limits and the conditions used for measurement.