Scientific Instruments & Usage
WEeb.in Team Science Total Views: 468 Posted: Sep 23, 2019 Updated: Oct 3, 2026
LIST of Scientific Instruments & Usage
| Instrument | Use |
| Altimeter | An instrument used in aircrafts for measuring altitudes |
| Ammeter | Measures electric current |
| Anemometer | Used to measure the speed, direction and pressure of the wind. |
| Audiometer | Measures intensity of sound |
| Barograph | Continuous recording of atmospheric pressure |
| Barometer | Measures atmospheric pressure and conditions. |
| Binoculars | An optical instrument used for magnified view of distant objects. |
| Bolometer | Measures infra-red (Heat) radiation. |
| Callipers | Measures diameters of thin cylinder/wire. |
| Calorimeter | Measures quantity of heat |
| Carburettor | Used for charging air with petrol vapours in an internal combustion engine. |
| Cardiogram(ECG) | Traces movements of the heart ,recorded on a Cardiograph |
| Cathetometer | Determines heights and levels |
| Chronometer | Determines longitude of a vessel at sea. |
| Cinematograph | Used for projecting pictures on the screen. |
| Colorimeter | Compares intensity of colours |
| Commutator | Used in generators to reverse the direction of electric current. |
| Crescograph | Used for measuring growth in plants. |
| Cryometer | Measurement of low temperature. |
| Cyclotron | Used for accelerating charged particles in microwave oscillator |
| Dilatometer | Measures change in volume of substances |
| Dynamo | Coverts mechanical energy into electrical energy |
| Electrometer | Measures very small but potential difference in electric currents |
| Electrometer | Used for measuring electrical potential difference. |
| Electroscope | Detects presence of an electric Charge |
| Electron microscope | Used to obtain a magnifying view of very small objects (20,000 times). |
| Endoscope | To examine internal parts of the body |
| Fathometer | Measures depth of the ocean |
| Fluxmeter | Measures magnetic flux |
| Galvanometer | Measures electric current |
| Gramophone | Used to reproducing recorded sound. |
| Hydrometer | Measures the relative density of liquids |
| Hydrophone | Measure sound under water |
| Hygrometer | Used to measure the moisture content or the humidity of air or any gas. |
| Hygroscope | Shows the changes in atmospheric humidity |
| Hypsometer | Determines boiling point of liquids. |
| Lactometer | Measures the relative density of milk. |
| Machmeter | Determines the speed of an aircraft relative to the speed of sound |
| Manometer | Compares magnetic movement and fields |
| Manometer | Used to measure atmospheric pressure |
| Micrometer | Coverts sound waves into electrical vibration |
| Microphone | Converts sound waves into electrical signals. |
| Microscope | Used to obtain a magnified view of small objects |
| Nephetometer | Measures the scattering of light by particles suspended in a liquid |
| Odometer | An instrument attached to the wheel of a vehicle, to measure the distance travelled. |
| Ohmmeter | Measures electrical resistance of objects |
| Ondometer | Measures the frequency of electromagnetic waves(radio waves) |
| Optometer | Used for testing the refractive power of the eye. |
| Otoscope | Used for visual examination of the eardrum. |
| Periscope | Used to view objects above sea level (Used in submarines). |
| Phonograph | Used for reproducing sound. |
| Photometer | Compares the luminous intensity of the two sources of light |
| Polygraph | It simultaneously records changed in physiological processes such as heartbeat, blood pressure & the respiration (used as lie detector) |
| Pyrheliometer | Used for measuring Solar radiation. |
| Pyrometer | Measures very high temperature. |
| Quadrant | Measures altitudes and angles in navigation and astronomy |
| Radar | Radio, Detection and Ranging. |
| Rain Gauge | Measures Rainfall. |
| Refractometer | Measures salinity of solutions |
| Refractometer | Measures a Refractive Index of a substance. |
| Sextant | Used by navigators to find the latitude of place by measuring the elevation above the horizon of the sun or another star; also used to measure the height of very distant objects |
| Sextant | Used for measuring angular distance between two objects. |
| Siesmograph | Used for recording the intensity and origin of earthquakes shocks. |
| Spectroscope | Used for Spectrum analysis. |
| Speedometer | An instrument used for measuring speed of the vehicle. |
| Spherometer | Measures curvature of spherical objects. |
| Sphygmomanometer | Measures blood pressure. |
| Stethoscope | Used for hearing and analysing the sound of Heart. |
| Tachometer | To determine speed, especially the rotational speed of a shaft(rpm) |
| Tangent galvanometer | Measure the amount of direct current(DC) |
| Telemeter | Records physical happenings at a distant place(space) |
| Telescope | Used for magnified view of distant objects. |
| Thermometer | Measures Temperature |
| Thermostat | Automatically regulates temperatures at a constant point. |
| Tonometer | Measures the pitch of a sound |
| Transformer | An apparatus used for converting high voltage to low and vice-versa without change in its frequency. |
| Transponder | To receive a signal and transmit a reply immediately in satellites. |
| Venturimeter | Measures the rate of flow of liquids |
| Vernier | Measures Small sub-division of scale. |
| Viscometer | Measures Viscosity of liquid. |
| Voltmeter | Used to measure electric potential difference between two points |
| Wattmeter | To measure electric power |
| Wavemeter | To measure the wavelength of a radiowave(high frequency waves) |
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