tachometer.
Exactly what measuring device? There are hundreds of "measuring devices" to measure different things.
Simply by measuring the time it takes for the sonar 'ping' to return to the device that sent it. The speed of sound is constant - and dividing the time by the speed of sound gives the distance !
The most essential element in a voltage measuring device is a very high impedance. This prevents the device interfering with the measurement.
The rotation increases in speed.
An air pressure measuring device is called a Barometer.
Table clock
the memory
it is a device for measuring wind speed
The rotation of an object is measured by the unit, rotation/revolutions per second. however, if the speed of a point on the rotating object has to be found, then it can be measured using the standard units of measuring speed.
An anemometer is a device for measuring wind speed, and is a common Weather_stationinstrument.
An anemometer is a device used for measuring and recording the speed of wind.
An anemometer is a device used for measuring and recording the speed of wind.
An Anemeter is a device used by (usually) Scientist to measure wind speeds.
The wind controls the speed of rotation of the arms of an anemometer and this can be electrically converted to a measuring pointer to indicate wind speed.
a device to measure rotation speed of a shaft as a proportional voltage
a techogenerator is a device which is used for measuring the speed of a shaft and converting into a voltage so that it can be measured.
Tape measures Calipers Tachometer (measures the rotation speed of a shaft or disk, as in a motor or other machine