• General Knowledge Tutorial

General Knowledge - Scientific Instruments

The following table explains name and definitation of scientific instruments −

Instrument Use
Accelerometer Measures acceleration
Altimeter Measures altitude (height)
Ammeter Measures electric charges
Anemometer Measures wind speed
Barometer Measures atmospheric pressure
Bolometer Measures electromagnetic radiation
Calipers Measures the distance between two opposite sides of an object
Calorimeter Measures the heat of chemical reactions or physical changes as well as heat capacity
Cardiograph Measures heart rate
Cryometer Measures freezing temperature
Dynamometer Measures the power output of an engine
Electrometer Measures electric charges
Galvanometer Measures electric current
Hydrometer Measures density of liquids
Hygrometer Measures moisture content (Humidity) in the atmosphere
Hypsometer Measures height (altitude)
Lactometer Measures milk purity
Magnetometer Measures magnetic property of a substance
Nephelometer Measures suspended particulates in a liquid or gas colloid
Ohmmeter Measures resistance in different applications of electrical testing
Ondometer Measures the frequency of electromagnetic waves
Photometer Measures the intensity of light
Pyknometer Measures density of substance
Pyrometer Measures high temperature
Radar Determines the range, angle, or velocity of objects
Refractometer Measures refractive index
Sextant Measures the angle between any two visible objects
Sphygmomanometer Measures blood pressure
Stethoscope Used to listen heart beats
Telemeter Measures distances to remote objects
Thermometer Measures temperature
Tonometer Measure the internal pressure of the eye
Venturimeter Measures the rate of a flow of a fluid flowing through a pipe
Voltmeter Measures electrical potential difference between two points in an electric circuit