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  2. Multimeter - Wikipedia

    en.wikipedia.org/wiki/Multimeter

    Inexpensive analog meters may have only a single resistance scale, seriously restricting the range of precise measurements. Typically, an analog meter will have a panel adjustment to set the zero-ohms calibration of the meter, to compensate for the varying voltage of the meter battery, and the resistance of the meter's test leads.

  3. Electricity meter - Wikipedia

    en.wikipedia.org/wiki/Electricity_meter

    North American domestic analog (Ferraris disk) electricity meter. Electricity meter with transparent plastic case (Israel) An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval.

  4. Analog voltmeter - Wikipedia

    en.wikipedia.org/wiki/Voltmeter

    Analog voltmeters move a pointer across a scale in proportion to the voltage measured and can be built from a galvanometer and series resistor. Meters using amplifiers can measure tiny voltages of microvolts or less. Digital voltmeters give a numerical display of voltage by use of an analog-to-digital converter.

  5. Simpson (appliance manufacturer) - Wikipedia

    en.wikipedia.org/wiki/Simpson_(appliance...

    Simpson was founded in 1853 by Alfred M. Simpson (1805-1891) who had migrated from London to South Australia in 1849. Simpson was an innovator and introduced labour-saving machinery and new products such as fire-proof safes, bedsteads, japanned ware, colonial ovens and gas stoves. [ 1 ]

  6. Wattmeter - Wikipedia

    en.wikipedia.org/wiki/Wattmeter

    The traditional analog wattmeter is an electrodynamic instrument. The device consists of a pair of fixed coils, known as current coils, and a movable coil known as the potential coil. The current coils are connected in series with the circuit, while the potential coil is connected in parallel.

  7. Grounding resistance tester - Wikipedia

    en.wikipedia.org/wiki/Grounding_resistance_tester

    Usually the range is three or four degrees. The soil moisture at which the appliance operates is another important parameter. If the instrument cannot operate at a certain humidity, then the measurement may differ significantly from the real value of soil resistance. Comparison analog and digital grounding resistance testers. [10]

  8. Electrical isolation test - Wikipedia

    en.wikipedia.org/wiki/Electrical_isolation_test

    In electrical engineering, an electrical isolation test is a direct current (DC) or alternating current (AC) resistance test that is performed on sub-systems of an electronic system to verify that a specified level of isolation resistance is met.

  9. Galvanometer - Wikipedia

    en.wikipedia.org/wiki/Galvanometer

    Probably the largest use of galvanometers was of the D'Arsonval/Weston type used in analog meters in electronic equipment. Since the 1980s, galvanometer-type analog meter movements have been displaced by analog-to-digital converters (ADCs) for many uses. A digital panel meter (DPM) contains an ADC and numeric display.

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