The device that measures how much electricity is used is called a meter.
An electroscope is an instrument used to detect static electricity.
The device used to measure changes in thermal energy is called a calorimeter.
An electroscope is an early scientific instrument. It is used to detect and measure electricity or an electric charge on a body.
Micrometers and calipers are the tools used in machine shops for measuring metal prior, during, and after machining.
It really depends on the LED/application. Some, such as those used in instrument panels, can be powered by your standard AA (1.5 volts) battery, while the ones in car lights require much more power. (Car batteries are generally around 12 volts).
This instrument is a balance.
An instrument like handbell but used in electricity and stereo.
Telephone.
the answer is strabismometer
a dendrometer is used to measure trees.
An electroscope is an instrument used to detect static electricity.
An accelerometer measures vibration.Acclerometer and vibrometer are the instrument used to measure the vibration of the any object.Accelerometers
Ammeter
Used to be trigonometry, but now they use GPS.
Sluonameter is used to determine the cloud conditions in the sky.
A Sphygmomanometer is used to measure blood pressure
A galvanometer is used to measure small currents.