Important Scientific Instruments and there uses
Scientific Instruments
Uses
Altimeter
It measures altitudes and is used in aircrafts
Ammeter
It measures strength of electric current (in amperes)
Anemometer
It measures force and velocity of wind
Audiometer
It measures intensity of sound
Audio phone
It is used for improving imperfect sense of hearing
Barograph
It is used for continuous recording of atmospheric pressure
Barometer
It measures atmospheric pressure
Binocular
It is used to view distant objects
Bolometer
It measures heat radiation
Calorimeter
It measures quantity of heat
Carburetor
It is used in an internal combustion engine for charging air with petrol vapour
Cardiogram
It traces movements of the heart, recorded on a cardiograph
Chronometer
It determines longitude of a place kept onboard ship
Cinematography
It is an instrument used in cinema making to throw on screen and enlarged image of photograph
Crescograph
It measures the growth in plants
Cyclotron
A charged particle accelerator which can accelerate charged patricides to high energies.
Dynamo
It converts mechanical energy into electrical energy.
Dynamometer
It measures electrical power
Electrometer
It measures electricity
Electroscope
It detects presence of an electric charge
Endoscope
It examines internal parts of the body.
Eudiometer
A glass tube for measuring volume changes in chemical reactions between gases.
Fathometer
It measures the depth of the ocean
Galvanometer
It measures the electric current of low magnitude
Hydrometer
It measures the specific gravity of liquids
Hygrometer
It measures humidity in air
Hydrophone
It measures sound under water
Kynograph
It graphically records physiological movements (Blood pressure and heart beat).
Lactometer
It determines the purity of milk
Manometer
It measures the pressure of gases
Mariner's compass
It is an instrument used by the sailors to determine the direction
Microphone
It converts the sound waves into electrical vibrations and to magnify the sound.
Microscope
It is used to obtain magnified view of small objects.
Odometer
An instrument by which the distance covered by wheeled vehicles is measured.
Phonograph
An instrument for producing sound
Photometer
The instrument compares the luminous intensity of the source of light.
Periscope
It is used to view objects above sea level (used in sub-marines).
Potentiometer
It is used for comparing electromotive force of cells
Pyrometer
It measures very high temperature
Radar
It is used for detecting the direction and range of an approaching plane by means of radio microwaves.
Rain Gauge
An apparatus for recording rainfall at a particular place.
Radiometer
It measures the emission of radiant energy.
Refractometer
It measures refractive index
Saccharimeter
It measures the amount of sugar in the solution
Seismograph
It measures the intensity of earthquake shocks.
Salinometer
It determines salinity of solution
Sextant
This is used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star.
Spectrometer
It is an instrument for measuring the energy distribution of a particular type of radiation
Speedometer
It is an instrument placed in a vehicle to record its speed
Sphygmomanometer
It measures blood pressure
Spherometer
It measures the curvatures of surfaces
Stereoscope
It is used to view two dimensional pictures
Stethoscope
An instrument which is used by the doctors to hear and analyses heart and lung sounds
Stroboscope
It is used to view rapidly moving objects
Tachometer
An instrument used in measuring speeds of aero planes and motor boats
Teleprinter
This instrument receives and sends typed messages form one place to another
Telescope
It views distant objects in space
Theodolite
It measures horizontal and vertical angles
Thermometer
This instrument is used for the measurement of temperatures
Thermostat
It regulates the temperature at a particular point
Viscometer
It measures the viscosity of liquids
Voltmeter
It measures the electric potential difference between two points
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