Scientific Instruments


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Scientific Instruments

Instrument     Use
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 used to measure the height of very distant objects
Spectroscope To observe or record spectra
Spectrometer Spectroscope equipped with calibrated scale to measure the position of spectral lines (Measurement of refractive indices)
Spherometer Measures curvature of spherical objects
Sphygmometer Measures blood pressure
Stereoscope To view two-dimensional pictures
Stethoscope Used by doctors to hear and analyze heart and lung sounds
Stroboscope To view rapidly moving objects
Tachometer To determine speed, especially the rotational speed of a shaft (used in aeroplanes and motor-boats)
Galvanometer Measures the strength of direct current
Telemeter Records physical happenings at a distant place
Teleprinter Receives and sends typed messages from one place to another
Telescope To view distant objects in space
Thermometer Measures Temperature
Thermostat Regulates temperature at a particular point
Tonometer To measure the pitch of a sound
Transponder To receive a signal and transmit a reply immediately
Udometer Rain gauge
Ultrasonoscope To measure and use ultrasonic sound (beyond hearing); use to make a Ecogram to detect brain tumours, heart defects and abnormal growth
Venturimeter To measure the rate of flow of liquids



Vernier Measures small sub-division of scale
Viscometer Measures the viscosity of liquid
Voltmeter To measure electric potential difference between two points
Wattmeter To measure the power of an electric circuit
Wavemeter To measure the wavelength of a radiowave




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