List of Tools & their Measurements

 Tip for Analogies: There are 1-2 MCQs comes frequently in GAT test / Local GRE related to tools and their measurements.

Tools	Measurement
Altimeter	Altitudes
Ammeter	Electric current
Audiometer	Intensity of Sound
Barograph	Real Time Atmospheric Pressure
Barometer	Atmospheric Pressure
Binoculars	View Distant objects
Bolometer	Heat Radiation
Callipers	Measure Inner and Outer Diameters of Bodies
Calorimeter	Measures Quantities of Heat
Cardiogram(ECG)	Recorded Movements of the heart
Colorimeter	Intensity of Colors
Dilatometer	Measures Changed in Volume
Dyanamo	Covert Mechanical Energy into Electrical Energy
Dynamometer	Electrical Power
Electrometer	Potential Difference in Electric Currents
Eletromicroscope	Magnifying
Endoscope	Internal Parts of the Body
Fathometer	Depth of the Flux
Fluxmeter	Magnetic Flux
Galvanometer	Electric Current
Hydrometer	Density of Liquids
Hygrometer	Humidity
Hydrophone	Sound Under Water
Hygroscope	Changes in Atmospheric Humidity
Hypsometer	Boiling Point of Liquids
Hymograph	Records Physiological Movement.
Lactometer	Density of Milk (to Determine Purity)
Machmeter	Speed of an Aircraft
Manometer	Measures the Pressure of Gases
Micrometer	Coverts Sound Waves into Electrical Vibrations
Microscope	Magnifying
Ohmmeter	Electrical Resistance
Ondometer	Frequency in Electromagnetic Waves
Photometer	Luminous Intensity
Polygraph	Heartbeat, Blood Pressure the respiration
Radar	Direction & Ranges of an Aeroplane / Detection
Sextant	Latitude of Place
Spectrometer	Position of Spectral Lines
Sphygmo Manometer	Blood Pressure
Spherometer	Curvature
Telescope	Distant Objects
Thermometer	Temperature
Transponder	Signal
Udometer	Rain Gauge
Ultrasonoscope	Ultrasonic Sound
Voltmeter	Electric Potential Difference
Wattmeter	Power of an Electric Circuit
Wavemeter	Wavelength