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  2. Multimeter - Wikipedia

    en.wikipedia.org/wiki/Multimeter

    Analog multimeter Digital multimeter. A multimeter (also known as a volt-ohm-milliammeter, volt-ohmmeter or VOM) [1] is a measuring instrument that can measure multiple electrical properties. [2] [3] A typical multimeter can measure voltage, resistance, and current, [4] in which case can be used as a voltmeter, ohmmeter, and ammeter.

  3. True RMS converter - Wikipedia

    en.wikipedia.org/wiki/True_RMS_converter

    Distortion of a waveform True RMS Multimeter For the measurement of an alternating current the signal is often converted into a direct current of equivalent value, the root mean square (RMS). Simple instrumentation and signal converters carry out this conversion by filtering the signal into an average rectified value and applying a correction ...

  4. Electronic test equipment - Wikipedia

    en.wikipedia.org/wiki/Electronic_test_equipment

    Multimeter e.g., VOM (Volt-Ohm-Milliammeter) or DMM (Digital Multimeter) (Measures all of the above) LCR meter - inductance (L), capacitance (C) and resistance (R) meter (measure LCR values) The following are used for stimulus of the circuit under test: Power supplies; Signal generator; Digital pattern generator; Pulse generator

  5. Time-resolved mass spectrometry - Wikipedia

    en.wikipedia.org/wiki/Time-resolved_mass...

    Time-resolved mass spectrometry (TRMS) is a strategy in analytical chemistry that uses mass spectrometry platform to collect data with temporal resolution. [ 1 ] [ 2 ] [ 3 ] Implementation of TRMS builds on the ability of mass spectrometers to process ions within sub-second duty cycles.

  6. Analog multiplier - Wikipedia

    en.wikipedia.org/wiki/Analog_multiplier

    For example, in early digital multimeters, true RMS functions were provided by external analog multiplier circuits. Nowadays (with the exception of high-frequency measurements) the tendency is to increase the sampling rate of the ADC in order to digitize the input signal allowing RMS and a whole range of other functions to be carried out by a ...

  7. Current clamp - Wikipedia

    en.wikipedia.org/wiki/Current_clamp

    This type of ammeter can measure both AC and DC currents and provides a true RMS current measurement of non-sinusoidal or distorted AC waveforms. Interchangeable meter movements can be installed in the clamping assembly to provide various full-scale current values up to 1000 amperes.

  8. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    Specifically, to count as a legitimate view, a user must intentionally initiate the playback of the video and play at least 30 seconds of the video (or the entire video for shorter videos). Additionally, while replays count as views, there is a limit of 4 or 5 views per IP address during a 24-hour period, after which point, no further views ...

  9. Fluke Corporation - Wikipedia

    en.wikipedia.org/wiki/Fluke_Corporation

    Together, the companies developed the scopemeter, an instrument combining features of an oscilloscope and a multimeter. Fluke purchased the testing and measurements division of Philips in 1993 for $41.8 million. [2] The Philips PM series of measurement instruments was rebranded as Fluke. Fluke was bought by the Danaher Corporation in 1998.

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