ammeter

American  

[am-mee-ter] / ˈæmˌmi tər /

noun

Electricity.

1. an instrument for measuring current in amperes.

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ammeter British  

/ ˈæmˌmiːtə /

noun

1. an instrument for measuring an electric current in amperes

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ammeter Scientific  

/ ăm′mē′tər /

1. An instrument that measures the strength of an electric current, indicating it in amperes. Ammeters typically include a galvanometer; digital ammeters typically include A/D converters as well.

2. Compare ohmmeter voltmeter

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Etymology

Origin of ammeter

First recorded in 1880–85; am(pere) + -meter

Example Sentences

An ammeter is placed in series to get the full current flowing through a branch and must have a small resistance to limit its effect on the circuit.

From Textbooks • Aug. 12, 2015

By connecting resistors to this galvanometer in different ways, you can use it as either a voltmeter or ammeter that can measure a broad range of voltages or currents.

From Textbooks • Aug. 12, 2015

A practical problem can occur if the ammeter is connected incorrectly.

From Textbooks • Aug. 12, 2015

Connected to an ammeter, the collector translated the strength of the electron beam at a number of points into measured electric current.

From Time Magazine Archive

Other related instruments are the voltmeter and ammeter.

From Electricity for the 4-H Scientist Idaho Agricultural Extension Service Bulletin 396, June, 1962 by Wilson, Eric B.