LCR meters and impedance meters measures inductance (L), capacitance (C), and resistance or impedance (R). Instruments used for LCR measurements are built as universal and multifunctional devices. They enable automatic (triggered or cyclic) measurements of L, C, and R as well as other parameters such as quality and dissipation factors. Instrument type, measurement specifications, test signal or source characteristics, and other measurements are important parameters to consider when searching for LCR meters and impedance meters. Additional specifications that are important to consider include user interface options, display options, additional output options, general features and functionality and environmental parameters.