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

See Examples For:

ammeter

Figure 21.33 A small shunt resistance R placed in parallel with a galvanometer G produces an ammeter, the full-scale deflection of which depends on the choice of R .

From Textbooks ● Aug. 12, 2015

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

What would happen if you were measuring voltage but accidentally put the meter in the ammeter mode?

From Textbooks ● Aug. 12, 2015

Chosen to compile the book were Norris and Ross McWhirter, twin grandsons of Scottish Inventor William McWhirter, who built the first in dicating voltmeter and ammeter.

From Time Magazine Archive

Then we read the ammeter in the plate circuit to find the value of IB which corresponds to this condition of the grid.

From Letters of a Radio-Engineer to His Son by John Mills