A scientific instrument is a device or tool used for scientific purposes, including the study of both natural phenomena and theoretical research.
Scientific Insruments | Uses |
---|---|
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) |