wattmeter
6.4
A device that measures electric power in watts
- noun
- /ˈwɑtˌmiːtər/
- Specialized
:
vatímetro
- By using a wattmeter, we can determine the efficiency of our new solar panels.
Examples
-
To monitor energy usage, we connected a wattmeter to the circuit before the appliances.
-
The CT Series of AC current transformers are designed for use with ammeters, wattmeters, instrumentation, relays, and energy management systems.
Academic text (1994) -
The electrician used a wattmeter to check how much power the light bulbs were consuming.
Synonyms
1
3.6
A device that measures how much electricity a circuit or appliance uses
measures the flow precisely in watts inside an electrical circuit
How Accurate
Surface Forms
wattmeter singular
wattmeters plural
Morphology
Etymology
Wattmeter comes from the name Watt, the man whose name we use for the unit of power, and meter, which means 'to measure' and appears in words like thermometer and speedometer. So a wattmeter is a device that measures electrical power in 'watts'.