Quick Fact Sheet : Some Scientific Instruments & Their Use

Instrument

Use

Lactometer

Relative Density Of The Milk

Ammeter

Electric Currents

Anemometer

Force And Velocity Of Wind

Audiometer

Intensity Of Sound

Audiophone

Improving Imperfect Sense Of Hearing

Barometer

Atmospheric Pressure

Calorimeter

Quantities Of Heat

Carburetor

Used In Internal Combustion Engine For Charging Air With Petrol Gas

Cardiograph

Trace Heart Movements

Chronometer

Accurate Time

Crescograph

Growth In Plants

Galvanometer

Electric Currents Of Small Magnitude

Hydrometer

Specific Gravity Of Liquids

Altimeter

Altitude In Air Crafts

Hygrometer

Humidity In The Air

Spherometer

Curvature Of Surfaces

Manometer

Pressure Of The Gas

Microscope

Minute Objects

Odometer

Distance Covered By Wheeled Vehicles

Phonograph

Reproducing Sound

Photometer

Measuring The Intensity Of Light

Polarimeter

Optical Activity

Radar

Radio Angle Direction And Range (Abbreviated Name)

Radiometer

Emission Of Radiant Energy

Refractometer

Refractive Index

Seismometer or seismograph

Intensity Of Earthquakes

Sextant

Altitude Of Sun Etc.

Spectrometer

Energy Distribution Of A Particular Type Of Radiation

Speedometer

Speed Of Vehicle

Hydrophone

To Record Sound Under Water