Scientific Instruments and their Uses

Scientific Instruments are devices used to indicate, measure and record physical quantities. They are generally used for scientific purposes. Here is a list of different scientific instruments and devices with the field of application associated with them. The list below will undoubtedly help the aspirants in their preparation for different competitive examination.

• Actinometer > Device  that measures the intensity of radiation

• Anemometer > Device that measures wind speed and direction

• Ammeter > Instrument to measure the strength of an electric current

• Audiometer > Instrument to measure difference in hearing

• Barometer > Instrument used for measuring atmospheric pressure

• Binoculars > Optical instrument designed for magnified view of distant objects by both eyes simultaneously

• Bolometer > Instrument used to measure heat radiation

• Calliper > Instrument to measure diameters of thin wire or cylinder

• Cryometer > Device that measures the very low temperature

• Endoscope > Instrument for examining hollow organs (bowel etc.)

• Electrometer > Device that measures the potential difference and charge

• Fathometer > Intrument to measure depth of the ocean

• Galvanometer > Instrument for detecting and indicating an electric current

• Hygrometer > Instrument for measuring the relative humidity of the atmosphere

• Lactometer > Instrument for measuring the relative density of milk

• Otoscope > Instrument for examining the eardrum

• Pyknometer > Instrument used to measure the density and coefficient of expansion of a liquid

• Rain Gauge > Instrument for measuring rainfall

• Seismograph > Instrument that records intensity and origin of earth-quake shocks

• Stethoscope > Instrument for hearing and analysing the sound of heart and lungs

• Variometer > Device that measures the rate of climb or descent of an aircraft

• Voltmeter > Instrument to measure potential difference between two points