Scientific Instruments and their Usage
- Rain Gauge: An apparatus for recording rainfall at a particular place.
- Radiometer: It measures the emission of radiant energy.
- Refractometer: It measures· refractive index.
- Cyclotron: A charged particle accelerator which can accelerate charged particles to high energies.
- Dynamo: It converts mechanical energy into electrical energy.
- Dynamometer: It measures electric power
- Electrometer: It measure electricity
- Hygrometer: It measures humidity in air.
- Hydrophone: It measures sound under water.
- Electroscope: It detects presence of an electric charge.
- Galvanometer: It measures the electric current of low magnitude.
- Hydrometer: It measures the specific gravity of liquids.
- Potentiometer: It is used for comparing electromotive force of cells.
- Pyrometer: It measures very high temperature.
- Cinematography: It is an instrument used in cinema making to throw on screen and enlarged image of photograph.
- Crescograph: It measures the growth in plants.
- Kymograph: It graphically records physiological movements (Blood pressure and heart beat).
- Lactometer: It determines the purity of milk.
- Manometer: It measures the pressure of gases.
- Mariner’s compass: It is an instrument used by the sailors to determine the direction.
- Microphone: It converts the sound waves into electrical vibrations and to magnify the sound.
- Microscope: It is used to obtain magnified view of small objects.
- Odometer: An instrument by which the distance covered by wheeled vehicles is measured.
- Phonograph: An instrument for producing sound.
- Radar: It is used for detecting the direction and range of an approaching plane by means of radio microwaves.
- Saccharimeter: It measures the amount of sugar in the solution.
- Photometer: The instrument compares the luminous intensity of the source of light
- Periscope: It is used to view objects above sea level (used in sub-marines).
- Endoscope: It examines internal parts of the body.
- Eudiometer: A glass tube for measuring volume changes in chemical reactions between gases.
- Fathometer: It measures the depth of the ocean.
- Ammeter: It measures strength of electric current (in amperes).
- Audiometer: It measures intensity of sound.
- Anemometer: It measures force and velocity of wind.
- Spherometer: It measures the curvatures of surfaces.
- Stereoscope: It is used to view two dimensional pictures.
- Stethoscope: An instrument which is used by the doctors to hear and analyze heart and lung sounds.
- Stroboscope: It is used to view rapidly moving objects.
- Binocular: It is used to view distant objects
- Bolometer: It measures heat radiation
- Calorimeter: It measures quantity of heat.
- Tachometer: An instrument used in measuring speeds of aero planes and motor boats.
- Teleprinter: This instrument receives and sends typed messages from one place to another.
- Telescope: It views distant objects in space.
- Theodolite: It measures horizontal and vertical angles.
- Altimeter: It measures altitudes and is used in aircrafts.
- Audiophone: It is used for improving imperfect sense of hearing.
- Barograph: It is used for continuous recording of atmospheric pressure.
- Barometer: It measures atmospheric pressure.
- Thermometer: This instrument is used for the measurement of temperatures.
- Thermostat: It regulates the temperature at a particular point.
- Viscometer: It measures the viscosity of liquids.
- Voltmeter: It measures the electric potential difference between two points.
- Spectrometer: It is an instrument for measuring the energy distribution of a particular type of radiation.
- Speedometer: It is an instrument placed in a vehicle to record its speed.
- Sphygmomanometer: It measures blood pressure.
- Carburetor: It is used in an internal combustion engine for charging air with petrol vapour.
- Cardiogram: It traces movements of the heart, recorded on a cardiograph.
- Chronometer: It determines longitude of a place kept on-board ship.
- Seismograph: It measures the intensity of earthquake shocks.
- Salinometer: It determines salinity of solution.
- Sextant: This is used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star.