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 simultaneously
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 current.
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
paralysis
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 current
Geiger Muller Counter (GM Counter)
: An instrument for detecting and counting
atomic particles and radiations
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 vibrations
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 distance
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 densities
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 B.P.Apparatus
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 earth
Thermometer : For recording temperature of a human body
Thermocouple : Measuring temperature
Thermostat : Automatically controlling the temperature
to a particular
degree
Transformer : To convert high voltage to low and vice versa
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.
