This page is about the meaning, origin and characteristic of the symbol, emblem, seal, sign, logo or flag: Ammeter Symbol.
An ammeter is a measuring instrument used to measure the electric current in a circuit.
Electric currents are measured in amperes (A), hence the name. Instruments used to measure smaller currents, in the milliampere or microampere range, are designated as milliammeters or microammeters. Early ammeters were laboratory instruments which relied on the Earth's magnetic field for operation. By the late 19th century, improved instruments were designed which could be mounted in any position and allowed accurate measurements in electric power systems.
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"Ammeter Symbol." Symbols.com. STANDS4 LLC, 2023. Web. 4 Oct. 2023. <https://www.symbols.com/symbol/ammeter-symbol>.