Analog meter
Definition
An analog meter is a device that measures electrical quantities such as voltage, current, or resistance using a needle and dial. It provides a continuous reading, making it useful for observing gradual changes.
5 Must Know Facts For Your Next Test
- Analog meters typically have lower input impedance compared to digital meters, which can affect the circuit being measured.
- The accuracy of an analog meter is often expressed as a percentage of the full-scale reading.
- Analog meters are less susceptible to electromagnetic interference than digital meters.
- They usually require manual ranging, meaning the user must select the appropriate range for measurement.
- The internal mechanism of an analog meter often involves a moving coil galvanometer.
Review Questions
- What type of internal mechanism is most commonly used in analog meters?
- How does the input impedance of an analog meter compare to that of a digital meter?
- What is one advantage of using an analog meter over a digital meter?
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Related terms
Digital Multimeter: A device used to measure electrical quantities such as voltage, current, and resistance with a numerical display.
Galvanometer: An instrument for detecting and measuring small electric currents by deflection of a moving coil.
Ohmmeter: A device used specifically to measure electrical resistance.
