important-scientific-instruments

Important Scientific Instruments And Their Uses

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.

InstrumentPurpose
AltimeterTo measuring altitudes in aircrafts
AmmeterTo measure electrical current in amperes
AnemometerTo measure the strength of winds
AudiometerTo measure the intensity of sound
Audiophoneto overcome imperfect sense of hearing.
Barometerto measure atmospheric pressure
Betatronto accelarate electrons
BinocularAn optical instrument designed for magnified view of distant objects by both eyes simultaneously
BolometerTo detect and measure heat radiation
CapacitorTo store electrical energy
CardiogramTo record the heart movements
CalorimeterMeasuring the amount of heat
ChronometerA clock that keeps very accurate time as the one that is used to determine longitude at sea.
ColorimeterAn instrument for comparing intensities of colour.
CommutatorAn instrument to change or remove the direction of an electric current, in dynamo used to convert
alternating current into direct current.
CyclotronTo accelarate charged particles
DynamoA device for converting mechanical energy into electrical energy
DynamometerAn instrument for measuring the electrical power
ElectroscopeTo detect the presence of electric charge.
EndoscopeTo examine internal parts of the body
FathometerMeasure depth of the ocean
GalvanometerFor detecting and measuring electric current
G M CounterTo measure radioactivity
HygrometerMeasure level of humidity
HypsometerTo determine boiling point of liquids
InductorTo store magnetic energy
LactometerTo check the relative density of milk
PiezometerTo measure the depth of the water tableĀ 
PhonographFor reproducing sound
PyrometerMeasure very high temperature
Quartz ClockA highly accurate clock used in astronomical observations and other precision work
RadarRadar (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.
RadiometerAn instrument for measuring the emission of radiant energy
Radio MicrometerAn instrument for measuring heat radiations
Rain GaugeAn instrument for measuring rainfall
Rectifierto convert AC into DC
Refractometerto measure the refractive index of a substance
Resistance ThermometerUsed for determining the electrical resistance of conductors
Salinometerto determine the concentration of salt solutions
Seismometer (Seismograph)An Apparatus for measuring and recording earthquake shock
SextantFor guiding ships or surveying land.
SpectroscopeSpectroscope:
SpeedometreIt registers the speed at which the vehicle is moving
Spherometerto measure curvature of surfaces
SphygmomanometerTo measure blood pressure
SphygmophoneInstrument with the help of which, a pulse beat makes a sound
StereoscopeIt is used to view two dimensional pictures.
Stethoscopeto hear and analyze heart and lung sounds.
Stroboscopeto view rapidly moving objects.
Tachometer:to measure speeds of aero planes and motor boats.
TeleprinterThis instrument receives and sends typed messages from one place to another.
Telescopeto see distant objects.
Theodoliteto measure horizontal and vertical angles.
Transistora semiconductor device to amplify currents and perform other functions usually performed
by a thermionic valve
Vernier CalliperAn adjustible scale for measuring lengths as low as 0.01 cm
ViscometerTo measure viscosity
VoltmeterTo measure potential difference between two points
UdometerRain Gauge
Venturimeterto 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.

Also check: Vitamins, their importance and top MCQs

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