milliammeter
Noun: A sensitive electrical measuring instrument, specifically an ammeter, calibrated to measure and display electric current in units of milliamperes (one-thousandth of an ampere).
A milliammeter is used to measure small electric currents, typically in the range of milliamperes (mA). It is a specialized type of ammeter designed for greater sensitivity and precision at low current levels. - The technician used a milliammeter to check the signal current in the circuit. - For this experiment, you will need a milliammeter to measure the output accurately.
- In series connection: Like all ammeters, a milliammeter must be connected in series within the circuit to measure the current flowing through a specific point.
- Remember to connect the milliammeter in series with the component to get a correct reading.
- Full-scale deflection (FSD): Refers to the maximum current value the instrument can measure, indicated when the needle points to the end of the scale.
- This milliammeter has a full-scale deflection of 50 mA.
- Ammeter (noun): A more general instrument for measuring electric current in amperes.
- Galvanometer (noun): A very sensitive instrument for detecting small currents, often used as the basis for analog ammeters and milliammeters.
- Microammeter (noun): An even more sensitive ammeter graduated in microamperes (millionths of an ampere).
- Current meter (general term)
- mA meter (informal abbreviation)
The term is a compound noun formed from "milli-" (a prefix denoting one-thousandth) and "ammeter". It refers specifically to the instrument's measurement scale and sensitivity.
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a sensitive ammeter graduated in milliamperes
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