Scientific Instruments/uses/Names

Use of Instrument


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 0oC
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