a2zinterviews

Electrometer	It measures electricity
Electroscope	It detects presence of an electric charge
Endoscope	It examines internal parts of the body
Fathometer	It measures the depth of the ocean
Galvanometer	It measures the electric current of low magnitude
Hydrometer	It measures the specific gravity of liquids
Hydrophone	It measures sound under water
Kymograph	It graphically records physiological movements(Blood Pressure and heart beat)
Lactometer	It determines the purity of milk
Manometer	It measures the Pressure of gases
Mariner’s compass	It is an instrument used by the sailors to determine the direction.
Microphone	It converts the sound waves into electrical vibrations and to magnify the sound.
Radiometer	It measures the emission of radiant energy
Rain Gauge	An apparatus for recording rainfall at a particular place.
Radar	It is used for detecting the direction and range of an approaching plane by means of radio microwaves.
Pyrometer	It measures very high temperature
Potentiometer	It is used for comparing electromotive force of cells.
Periscope	It is used to view objects above sea level (used in sub marines)
Photometer	The instrument compares the luminous intensity of the source of light.
Phonograph	An instrument for producing sound
Odometer	An instrument by which the distance covered by wheeled vehicles is measured.
Microscope	It is used to obtain magnified view of small objects.