Scientific Instruments are used for detecting, measuring and recording various physical quantities around us. Given below is a list of various important scientific instruments and their uses. This list of Scientific instruments is going to be very useful for your exam preparation.
| Instrument | Purpose |
|---|---|
| Altimeter | To measuring altitudes in aircrafts |
| Ammeter | To measure electrical current in amperes |
| Anemometer | To measure the strength of winds |
| Audiometer | To measure the intensity of sound |
| Audiophone | to overcome imperfect sense of hearing. |
| Barometer | to measure atmospheric pressure |
| Betatron | to accelarate electrons |
| Binocular | An optical instrument designed for magnified view of distant objects by both eyes simultaneously |
| Bolometer | To detect and measure heat radiation |
| Capacitor | To store electrical energy |
| Cardiogram | To record the heart movements |
| Calorimeter | Measuring the amount of heat |
| Chronometer | A clock that keeps very accurate time as the one that is used to determine longitude at sea. |
| Colorimeter | An instrument for comparing intensities of colour. |
| Commutator | An instrument to change or remove the direction of an electric current, in dynamo used to convert alternating current into direct current. |
| Cyclotron | To accelarate charged particles |
| Dynamo | A device for converting mechanical energy into electrical energy |
| Dynamometer | An instrument for measuring the electrical power |
| Electroscope | To detect the presence of electric charge. |
| Endoscope | To examine internal parts of the body |
| Fathometer | Measure depth of the ocean |
| Galvanometer | For detecting and measuring electric current |
| G M Counter | To measure radioactivity |
| Hygrometer | Measure level of humidity |
| Hypsometer | To determine boiling point of liquids |
| Inductor | To store magnetic energy |
| Lactometer | To check the relative density of milk |
| Phonograph | For reproducing sound |
| Pyrometer | Measure very high temperature |
| Quartz Clock | A highly accurate clock used in astronomical observations and other precision work |
| Radar | Radar (it stands for Radio Detection and Ranging) is a detection system that uses radio waves to determine the distance (ranging), angle, or velocity of objects. |
| Radiometer | An instrument for measuring the emission of radiant energy |
| Radio Micrometer | An instrument for measuring heat radiations |
| Rain Gauge | An instrument for measuring rainfall |
| Rectifier | to convert AC into DC |
| Refractometer | to measure the refractive index of a substance |
| Resistance Thermometer | Used for determining the electrical resistance of conductors |
| Salinometer | to determine the concentration of salt solutions |
| Seismometer (Seismograph) | An Apparatus for measuring and recording earthquake shock |
| Sextant | For guiding ships or surveying land. |
| Spectroscope | Spectroscope: |
| Speedometre | It registers the speed at which the vehicle is moving |
| Spherometer | to measure curvature of surfaces |
| Sphygmomanometer | To measure blood pressure |
| Sphygmophone | Instrument with the help of which, a pulse beat makes a sound |
| Stereoscope | It is used to view two dimensional pictures. |
| Stethoscope | to hear and analyze heart and lung sounds. |
| Stroboscope | to view rapidly moving objects. |
| Tachometer: | to measure speeds of aero planes and motor boats. |
| Teleprinter | This instrument receives and sends typed messages from one place to another. |
| Telescope | to see distant objects. |
| Theodolite | to measure horizontal and vertical angles. |
| Transistor | a semiconductor device to amplify currents and perform other functions usually performed by a thermionic valve |
| Vernier Calliper | An adjustible scale for measuring lengths as low as 0.01 cm |
| Viscometer | To measure viscosity |
| Voltmeter | To measure potential difference between two points |
| Udometer | Rain Gauge |
| Venturimeter | to measure the flow rate of a fluid through a pipe |
These were some important scientific instruments and their uses. We are sure that you will find this list very useful and hope that you will share them with your friends.
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