Is a device use to measure the radiation effect of the sun.
They are Force meter or Force gauge that use to measure the force. The meter may use spring of known elasticity or electro-magnet to balance and measure out the force.
A accurate scale in KILOGRAMS at exactly earth's gravity . kilograms are a measure of mass.POUNDS ARE NOT.
A clock...
newtonmeter
What instrument do we use to measure the electrical and mechanical vibrations
The barometer is the instrument that is used to measure the air pressure.
seismographs
thermostat
seismographs
Protractor...
use a protractor to measure angles
The ceilometer instrument.
A tape measure.
a hygrometer
.
A barometer.