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  2. Impedance analyzer - Wikipedia

    en.wikipedia.org/wiki/Impedance_analyzer

    Impedance analyzers typically offer highly accurate impedance measurements, e.g. with a basic accuracy of up to 0.05%, [2] and a frequency measurement range from μHz to GHz. Impedance values can range over many decades from μΩ to TΩ, whereas the phase angle accuracy is in the range of 10 millidegree. Measured impedance values include ...

  3. Q meter - Wikipedia

    en.wikipedia.org/wiki/Q_meter

    Q meter Tesla BM 560. A Q meter is a piece of equipment used in the testing of radio frequency circuits. It has been largely replaced in professional laboratories by other types of impedance measuring devices, though it is still in use among radio amateurs.

  4. Measurement category - Wikipedia

    en.wikipedia.org/wiki/Measurement_category

    Schematic representation of measurement categories. Measurement category is a method of classification by the International Electrotechnical Commission (IEC) [1] of live electric circuits used in measurement and testing of installations and equipment, usually in the relation within a building (residential or industrial).

  5. Four-terminal sensing - Wikipedia

    en.wikipedia.org/wiki/Four-terminal_sensing

    Four-point measurement of resistance between voltage sense connections 2 and 3. Current is supplied via force connections 1 and 4. In electrical engineering, four-terminal sensing (4T sensing), 4-wire sensing, or 4-point probes method is an electrical impedance measuring technique that uses separate pairs of current-carrying and voltage-sensing electrodes to make more accurate measurements ...

  6. Category:Impedance measurements - Wikipedia

    en.wikipedia.org/.../Category:Impedance_measurements

    Techniques and devices involving the measurement of electrical impedance or at least one of its components (resistance, capacitance, inductance), potentially taking into account distance (e.g. resistivity).

  7. Joint Electronics Type Designation System - Wikipedia

    en.wikipedia.org/wiki/Joint_Electronics_Type...

    Table 2. Group Indicators [1] Group Indicator ... dollies, vans peculiar to electronic equipment ZM Impedance measuring devices Used for measuring Q, C, L, R, or PF, etc.

  8. Electrical impedance - Wikipedia

    en.wikipedia.org/wiki/Electrical_impedance

    In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit. [1]Quantitatively, the impedance of a two-terminal circuit element is the ratio of the complex representation of the sinusoidal voltage between its terminals, to the complex representation of the current flowing through it. [2]

  9. LCR meter - Wikipedia

    en.wikipedia.org/wiki/LCR_meter

    An LCR meter is a type of electronic test equipment used to measure the inductance (L), capacitance (C), and resistance (R) of an electronic component. [1] In the simpler versions of this instrument the impedance was measured internally and converted for display to the corresponding capacitance or inductance value. Readings should be reasonably ...

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