Scientific Instruments - Information about Scientific Instruments

Scientific instruments are the tools used to aid people in scientific experimentation, measurements, etc. Here is a list of most popular scientific instruments along with their use.

List of Scientific Instruments

Name of Instrument	Use of Instrument
Altimeter	Measures altitude (uses in aircraft)
Ammeter	Measures strength of electric current
Anemometer	Measures force and velocity of wind and determines its direction
Audiometer	Measures intensity of sound
Barometer	Measures atmospheric pressure
Balometer	Measures heat radiation
Callipers	Measures inner and outer diameter of solids
Calorimeter	Measures quantities of heat

Cardiogram (ECG)	Traces movements of the heat, recorded on a cardiograph
Chronometer	Determines longitude of a vessel at sea
Cryometer	Measures very low temperatures, usally below 0^oC
Dynamo	Convert Mechanical energy into electric energy
Dynamometer	Measures electric power
Electroencephalograph (EEC)	Record and interprets the electrical waves of the brain recorded on electroencephalograph
Electrometer	Measures very small, potential difference in electric current
Electroscope	Detects presence of an electric current
Edoscope	Examines internal organs of the body
Fathometer	Measures depth of the ocean
Fluxmeter	Measures magnetic flux
Galvanometer	Measures the eletric current
Hydrometer	Measures the relative density of liquids
Hygrometer	Measures level of humidity
Hydrophone	Measures sound under water
Kymograph	Graphically record physiological movements (e.g., blood pressure/heartbeat)
Lactometer	Measures the relative density of milk to determine purity (fat content)
Manometer	Measures the pressure of gases
Microphone	Converts sound waves into electrical signals
Microscope	To obtain a magnified of light by particles suspended in a liquid

Ohmmeter	Measures electrical resistance in ohms
Ondometer	Measures the frequency of electromagnetic waves
Periscope	To view objects above sea level (used in submarines)
Polygraph	Instrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure and respiration used as a lie detector
Pyknometer	Determines the density and coefficient of expansion of liquids
Pyrheliometer	Measures components of solar radiation
Pyrometer	Measures very high temperature
Quadrant	Measures altitude and angles in navigation and astronomy
Rader	Detects the direction and range of an approaching aeroplane by means of an radiowaves (Radio, Angle, Detection and Range)
Refractometer	Measures refractive indices
Resistance Thermometer	An accurate type of thermometer in which temperature is meansured by determining the electrical resistance of a coil of thin wire
Salinometer	Determines salinity of solutions
Sextant	Used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star-also measures the height of distant objects
Sphygmomanometer	Measures Blood pressure
Stereoscope	Used to veiw two - dimensional pictures
Stethoscope	Used by doctors to hear and analyze heat and jung sounds
Stroboscope	Used to view rapidly moving objects
Tachometer	Determines speed, especially the rotational speed of a shaft (used in motor vehicles, aeroplanes and motor-boats)
Tacheometer	Used to measure distance, elevations and bearings during survey
Telescope	Used to view distant objects in space
Theodolite	Measures horizontal and vertical angles
Tonometer	Measures the pitch of sound
Transponder	Used to receive a signal and transmit a reply immediately
Udometer	Rain gauge
Venturi meter	Measures rate of flow of liquids
Viscometer	Measures the viscosity of liquids
Voltmeter	Used to measure potential difference between two points
Wattmeter	Measures the power of an electric circuit
Wavemeter	Measures the wavelength of a radiowave

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