- Altimeter uses for Measuring attitudes
- Ammeter uses for measuring strength of electric current
- Anemometer uses for measuring force and velocity of wind and direction
- Audiometer uses for measuring intensity of sound
- Barograph uses for recording of atmospheric pressure
- Barometer uses for measuring atmospheric pressure.
- Binoculars uses for viewing distant objects
- Bolometer uses to measure heat radiation
- Calipers uses to measure inner and outer diameters of bodies
- Calorimeter uses to measure quantities of heat
- Cardiogram (ECG) uses to trace the movements of the heart and it recorded on a cardiograph
- Cathetometer uses to determine heights, Measurements of levels and etc
- Chronometer uses to determines longitude of a vessel at sea
- Colorimeter uses to compare the intensity of colors
- Commutator uses to change or reverse the direction of electric current, Also used to convert AC into DC
- Cryometer , it’s a type thermometer used to measure very low temperatures ,usally close to 0 degrees C
- Cyclotron , its a charged particle accelerator which can accelerate charged particles to high energies
