Monday, January 23, 2012

वैज्ञानिक उपकरणों का विवरण

Accumulator : Electrical energy is stored
Altimeter  : Used in aircraft for measuring altitudes
Ammeter : Measuring the electrical current in amperes
Anemometer : Measuring the strength of winds
Audiometer  : Measuring intensity of wind
Barometer  : Measuring atmospheric pressure
Binocular  : An optical instrument designed for
magnified view of distant objects by both eyes
Cardiogram : For recording the heart movements
Calorimeter  : Measuring of quantities of heat
Chronometer : A clock that keeps very accurate time
as the one that is used to determine longitude at sea.
Clinical Thermometer : A thermometer for measuring
the temperature of human body.
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
Computer  : A technical device designed to find
instantaneous solutions of huge complex calculations
based on the information already fed.
Crescograph : For recording the growth of plants
Cyclotron  : Studying the properties of atoms by
smashing them
Drinker’s Apparatus  : To help breathing in infantile
Dynamo : A device for converting mechanical energy
into electrical energy

Dynamometer  : An instrument for measuring the
electrical power.
E.C.G.  : Device to diagnose heart disfunctioning
E.E.G.  : To diagnose disorder in the human brain
Electroscope : An instrument for detecting the presence
of electric charge.
Eudiometer  : Measuring volume changes in chemical
reaction between gases
Fathometer  : Measuring depth of the ocean
Galvanometer  : For detecting and measuring electric
Geiger Muller Counter (GM Counter) : An instrument
for detecting and counting atomic particles and
Hydrometer: For determining the specific gravity of liquids
Hygrometer: For measuring the amount of water vapours
Iron Lung : For artificial respiration
Lactometer : For determining the purity of milk
Manometer  : To measure gas pressure
Micrometer : For accurately measuring small distance
or angles
Microscope : An instrument for magnified view of very
small objects.
Odometer : The distance covered by a wheeled vehicle
is recorded
Oscillograph : For recording electrical or mechanical
Periscope : It is used in submarine to survey the ships
etc., on the sea while the submarine is under water
Phonograph : For reproducing sound
Photometer : An instrument for comparing the luminous
intensity of the sources of light
Plantimeter  : A mechanical integrating instrument to
measure area of a plane surface.
Pyrometer  : For measuring high temperature from a
Pyknometer  : An instrument used to measure the
density and coefficient of expansion of a liquid
Quadrant : An instrument for measuring altitudes and
angles in navigation and astronomy
Quartz Clock  : A highly accurate clock used in
astronomical observations and other precision work
Radar  : Radio, angle, detection and range is used to
detect the direction and range of an approaching
aeroplane by means of radio micro waves
Radiometer : An instrument for measuring the emission
of radiant energy
Radio Micrometer : An    instrument    for    measuring
heat radiations
Rain Guage : An instrument for measuring rainfall
Rectifier  : An instrument used for the conversion of
AC into DC.
Refractometer  : An instrument used to measure the
refractive index of a substance
Resistance Thermometer : Used    for    determining
the   electrical resistance of conductors
Salinometer : A type of hydrometer used to determine
the concentration of salt solutions by measuring their
Seismometer (Seismograph)  : An Apparatus for
measuring and recording earthquake shock
Sextant  :  For  guiding  ships  or  surveying land.
Spectroscope: An instrument used for spectrum analysis
Speedometer : It registers the speed at which the
vehicle is moving
Spherometer   :  For measuring curvature of surfaces
Sphygmomanometer  : An instrument used to detect
blood pressure in a human body.  It is  also called
Sphygmophone : Instrument with the help of which, a
pulse beat makes a sound
Spring Balance  : Useful for measuring weight
Stethoscope : To hear and analyse movements of heart
and lungs
Stop Watch : Recording small intervals of time in the races
Stroboscope  : An instrument used for viewing the
objects moving rapidly with a periodic motion and to
see them as if they were at rest.
Tachometer  : For measuring speed of aeroplanes and
motor boats
Tangent Galvanometer : An instrument for measuring
the strength  of direct current.
Telemeter : For recording physical events happening
at a distance
Teleprinter  : A machine which records automatically
messages received on telephone wires
Telescope  : For viewing distant objects
Television (T.V.) : For transmitting the visible moving
images by means of wireless waves.
Theodolite : Measuring distances on the surface of the
Thermometer : For recording temperature of a human
Thermocouple : Measuring temperature
Thermostat : Automatically controlling the temperature
to a particular degree
Transformer : To convert high voltage to low and vice
Transistor  : A small device which may be used to
amplify currents and perform other functions usually
performed by a thermionic valve
Vernier : An adjustable scale for measuring small sub
divisions of scale
Viscometer  : For measuring viscosity
Voltmeter  : To measure potential difference between
two points
ZETA : Zero Energy Thermometer Assembly for
developing thermonuclear Assembly.