Monday, March 12, 2012

Science


Use of Scientific Instrument
Do you know the name of scientific instrument? What type of these are? What are the uses? If you don’t know lets go through out the post where you will get name of all important scientific instruments and their uses in our life, for business purpose or for technical solution purpose.

Instruments
Use of Scientific Instrument
Altimeter
Measures altitudes (Used in aircraft)
Ammeter
Measures strength of electric current
Anemometer
Measures force and velocity or wind and directions
Audiometer
Measures intensity of sound
Barograph
Continuous recording of atmospheric pressure
Barometer
Measures atmospheric pressure
Binoculars
To view distant objects
Bolometer
To measure heat radiation
Callipers
Measure inner and outer diameters of bodies
Calorimeter
Measures quantities of heat
Cardiogram(ECG)
Traces movements of the heart ; recorded on a Cardiograph
Cathetometer
Determines heights, measurement of levels, etc, in scientific experiments
Chronometer
Determines longitude of a vessel at sea
Colorimeter
Compares intensity of colours
Commutator
To change / reverse the direction of electric current; Also used to convert AC into DC
Cryometer
A Type of thermometer used to measure very low temperatures, usually close to 0`C
Cyclotron
A Charged particle accelerator which can accelerate charged particles to high energies
Dilatometer
Measures changed in volume of substances
Dyanamo
To Covert mechanical energy into electrical energy
Dynamometer
Measure electrical power
Electronecephalo
Records and interprets the electrical waves of the
Graph(EEC)
Brain (brain waves ) recorded on electroence phalograms
Electrometer
Measures very small but potential difference in electric currents
Electroscope
Detects presence of an electric Charge
Eletromicroscope
To obtain a magnifying view of very small objects capable of magnifying up to 20,000 times
Endoscope
To examine internal parts of the body
Fathometer
Measures depth of the flux
Fluxmeter
Measures magnetic flux
Galvanometer
Measures electric current
Hydrometer
Measures the relative density of liquids
Hygrometer
Measure level of humidity
Hydrophone
Measure sound under water
Hygroscope
Shows the changes in atmospheric humidity
Hypsometer
To determine boiling point of liquids
Hymograph
Graphically records physiological movement. (e.g.…..,blood pressure/heartbeat)
Lactometer
Measures the relative density of milk to determine purity
Machmeter
Determines the speed of an aircraft in terms if the speed of sound
Manometer
Compares magnetic movement and fields
Manometer
Measures the pressure of gases
Micrometer
Coverts sound waves into electrical vibrations
Microphone
Measure distances /angles
Microscope
To obtain a magnified view of small objects
Nephetometer
Measures the scattering of light by particles suspended in a liquid
Ohmmeter
To measures electrical resistance in objects
Ondometer
Measures the frequency if electromagnetic waves, especially in the radio-frequency band
Periscope
To view objects above sea level (Used in submarines)
Photometer
Compares the luminous intensity of the source of light
Polygraph
Instrument that simultaneously records changed in physiological processes such as heartbeat, blood pressure the respiration used a lie detector
Pyknometer
Determines the density and coefficient of expansion of liquids
Pyrometer
Measures very high temperature
Quadrant
Measures altitudes and angles in navigation and astronomy
Radar
To detect the direction and ranges of an approaching aeroplane by means of radiowaves, ( Radio, Angle ,Detection and Range )
Radio Micrometer
Measures heat radiation
Refractometer
Measures salinity of solutions
Sextant
Used by navigators to find the latitude of place by measuring the elevation above the horizon of the sun or another star; also used to measure the height of very distant objects
Spectrometer
Spectroscope equipped with calibrated scale to measure the position of spectral lines (Measure of Refractive indices)
Spherometer
Measures curvature of spherical objects
Tachometer
To determine speed, especially the rotational speed of a shaft (Used in aeroplanes and motor-boats)
Tangent galvanometer
Measure the strength of direct current
Telemeter
Records physical happenings at a distant place
Telwprinter
Receives and sends typed messages from one place to another
Telescope
To view distant objects in space
Thermometer
Measure Temperature
Thermostat
Regulates temperature at a particular point
Tonometer
To measure the pitch of a sound
Transponder
To receive a signal and transmit a reply immediately
Udometer
Rain gauge
Ultrasonoscope
To measure and use ultrasonic sound (beyond hearing use to make a Ecogram to detect brain tumours, heart defects and abnormal growth
Venturimeter
To measure the rate of flow of liquids
Vernier
Measures Small sub-division of scale
Viscometer
Measures the viscosity of liquid
Voltmeter
To measure electric potential difference between two points
Wattmeter
To measure the power of an electric circuit
Wavemeter
To measure the wavelength of a radiowave

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