Scientific Instruments & Apparatus and their Uses - ObjectiveBooks

Scientific Instruments & Apparatus and their Uses

List of some of important Scientific Instruments/Apparatus and their Uses:



Apparatus/Instruments
Uses/Works
Altimeter
Used in aircrafts to measure the altitude above a fixed level.
Ammeter
To measure Electric Current.
Audiometer
Intensity of Sound.
Aria-o Meter
Weight of Air or gas.
Audio Phone
Hearing Aid.
Accumulator
Stores Electricity.
Anemometer
Used to Measure force and velocity of wind.

Air Cooler
Used for cooling the air.
Beaufort Scale
Used to measure wind force.
Barometer
Atmospheric Pressure.
Barograph
Continuous recording of Atmospheric Pressure.
Binocular
To see the distant things.
Bolometer
It measures heat radiation.
Callipers
To measure the inside and outside diameter of bodies.
Chronometer
Timing of Ship.
Cinematography
Used to accelerate charged particles to high energies.
Calorie Meter
Quantity of Heat.
Cyclotron
To Invigorate the charged particles.
Cinematograph
To enlarge small films cylindrical things.
Cognograph
To measure the palpation of heart & lungs.
Cardiogram
Palpitation of Heart.
Cardiograph
Tracing heart movements.
Cresco graph
Minute Growth of plant.
Cryzenic
Communication Satellite (Helpful in Communication).
Carburettor
Used in I.C Engine to charge air with fuel vapour.
Cyclotron
It is an apparatus for smashing atoms.
Computers
Data processing machine.
Dictaphone
A trade name for a tape recorder.
Density Meter
To measure Density, Specific Gravity, Concentration.
Dynamometer
To measure Electricity produced by Dynamo.
Dynamo
Device to convert mechanical energy to electrical energy.
Electric Motor
Machine for electricity as a motive power.
Epidiascope
Used for Projecting films and images of opaque articles on a screen.
Electro-meter
To measure electricity.
Electroscope
It detects presence of an electric charge.
Endoscope
It examines internal parts of the body.
Eudiometer
Measure volume changes in chemical reactions between gases
Electric Bulb
Transforms electric energy into light energy.
Fathometer
Depth of ocean.
Gramophone
A machine for producing recorded sound.
Gyroscope
To measure the speed of a moving (Rotating) thing.
Gravimeter
Presence of oil on the surface of water.
Galvanometer
Speed and direction of Electric current.
Heart-Lungs Machine
Helps in heart lungs operation.
Hydrometer
Measures Relative density or specific gravity of liquid.
Hygrometer
Measures humidity in air.
Hypsometer
To measure Height or altitude (e.g. Building height).
Kymograph
Graphically records physiological movements (B.P & Heart beat).
Lightning Conductor
Saves buildings from lightning.
Loud speaker
To change electric waves into sound waves.
Lactometer
Determines the Purity of milk.
Magneto
A part of motor that converts mechanical into electrical energy.
Manometer
Measures the pressure of gases.
Micrometer
To measure the micro things.
Microtome
Used to obtain magnified view of small objects.
Microscope
Used to see objects that are too small.
Microphone
Convert sound wave into electrical vibrations & Magnify the sound.
Mariner’s Compass
Used by Sailors to determine the direction.
Pyrometer
Used to measure very high temperature.
Phonograph
An instrument used for reproducing sound.
Photometer
To measure the intensity of light.
Periscope
To see the other side of the obstacle.
Potentiometer
Used for comparing electromotive force of cells.
Radiometer
Measures the emission of radiant energy.
Refrigerant
To keep the heat constant.
Rocket
Space craft.
Radiator
To keep engine cool.
Rain Gauge
Measurement of rain.
Radar
Detecting Location and range of an approaching Aeroplane.
Refract Meter
It measures refractive index.
Saccharimeter
To find out the quantity of Sugar in any solution.
Salinometer
It determines salinity of solution.
Spectrometer
Measures the energy distribution of a particular type of radiation
Speedometer
Placed in a vehicle to record its speed.
Sphygmomanometer
It measures blood pressure.
Spherometer
Used to measure curvatures of surfaces.
Stereoscope
Used to view two dimensional pictures.
satellite
Artificial Planet for specific study of an area.
Sigma-Scope
Instrument to measure electrical conductivity.
Sextant
Used to measure the angle between any two visible object.
Stethoscope
Used to analyze the Heart and lung sounds & Throbbing of Heart.
Stroboscope
Used to view rapidly moving objects.
Seismograph
To measure the earth quakes.
Stop Watch
Measure short time.
Screw Gauge
Diameter of fine wires.
Semaphore
System of signaling between two places, generally ships.
Telephone
Communication device between persons at two different places.
Telstar
A space communication satellite.
Transformer
Regulates the current.
Transistor
Revering and broadcasting the sound.
Telex
Direct communication between two countries.
Telestat
Broadcasting on television.
Tachometer
Used to measure speed (rpm).
Teleprinter
Receives and sends typed messages from one place to another.
Telescope
Used to view distant objects in space.
Theodolite
To measures horizontal and vertical angles.
Thermometer
Used for the measurement of temperature.
Thermostat
It regulates the temperature at a particular point (automatically).
Telemeter
Used to record physical events happening at a distance.
Thermionic Valve
Used in wireless telegraphy and radio broadcasting.
Television
Transmission of images of moving objects by radio waves.
Viscometer
To measure viscosity of fluid.
Voltmeter
Measures electric potential difference between two points.
Vacuum Cleaner
Dust Clean.
Wireless
Transmits message.
Watt Meter
Used for direct measurement of power in watt of an electric circuit.
Water Meter
Used for measuring gallons of water consumed.