- an instrument for measuring current in amperes.
Origin of ammeter
Examples from the Web for ammeter
Historical Examples of ammeter
Ammeter should show three to five amperes charge with lamps burning.
Each circuit is provided with a separate rheostat and ammeter.
A relay snapped, and instantly the ammeter jumped to read 4500 amperes.Islands of Space
John W Campbell
They were all up to capacity, save the ammeter from the coils.Invaders from the Infinite
John Wood Campbell
The voltmeter cost $7, and the ammeter $10; and the switches and fuses could be had for $5.Electricity for the farm
Frederick Irving Anderson
- an instrument for measuring an electric current in amperes
Word Origin for ammeter
- 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. Compare ohmmeter voltmeter.