Scientific Instruments: Accumulator, Altimeter, Ammeter, Anemometer and Audiometer

Doorsteptutor material for IAS is prepared by world's top subject experts: Get detailed illustrated notes covering entire syllabus: point-by-point for high retention.

Download PDF of This Page (Size: 108K)

Scientific Instruments

  • 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.

  • Commentator: 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

  • Plant meter: 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.

Developed by: