Complete list of Scientific Instruments
This post contains the list of scientific Instruments. So, Why do we need a Scientific Instrument?
Scientific Instrument is a device or tool used for scientific purposes, including the study of both natural phenomena and theoretical research.
| Instrument | Use |
| Altimeter | Measures altitude |
| Ammeter | Measures strength of electric current |
| Anemometer | Measures force and velocity of wind and directions |
| Audiometer | Measures intensity of sound |
| Barograph | Continuous recording of Atmospheric pressure |
| Barometer | Measures atmospheric Pressure |
| Binoculars | To view distant objects |
| Bolometer | To measure heat radiation |
| Callipers | Measures inner and outer diameters of bodies |
| Calorimeter | Measures Quantities of Heat |
| Cardiogram | a record of muscle activity within the heart made by a cardiograph |
| Cathetometer | a telescope mounted on a graduated scale, used for accurate measurement of small vertical distances |
| Chronometer | an instrument for measuring time accurately in spite of motion or variations in temperature, humidity, and air pressure |
| Colorimeter | an instrument for measuring the intensity of colour |
| Commutator | a device for reversing the direction of flow of electric current |
| Cryometer | a thermometer for measuring lower temperatures than a mercury thermometer will register |
| Cyclotron | an apparatus in which charged atomic and subatomic particles are accelerated by an alternating electric field while following an outward spiral or circular path in a magnetic field |
| Dilatometer | instrument that measures volume changes caused by a physical or chemical process |
| Dyanamo | a machine for converting mechanical energy into electrical energy |
| Dynamometer | an instrument which measures the power output of an engine |
| Electronecephalograph (EEC) | the measurement of electrical activity in different parts of the brain and its recording as a visual trace |
| Electrometer | an instrument for measuring electrical potential without drawing any current from the circuit |
| Electroscope | an instrument for detecting and measuring presence of electric charge |
| Electro microscope | a microscope with high magnification and resolution to view very small objects |
| Endoscope | an instrument to view internal parts of the body |
| Fathometer | a type of echo sounder – to measure depth of ocean |
| Fluxmeter | an instrument for measuring magnetic-flux |
| Galvanometer | an instrument for measuring small electric currents |
| Hydrometer | an instrument for measuring the density of liquids |
| Hygrometer | an instrument for measuring the humidity of the air or a gas |
| Hydrophone | a microphone which detects sound waves under water |
| Hygroscope | an instrument which gives an indication of the humidity of the air |
| Hypsometer | a device for calibrating thermometers at the boiling point of water at a known height above sea level |
| Kymograph | an instrument for recording variations in pressure, e.g. in sound waves or in blood within blood vessels |
| Lactometer | an instrument for measuring the density of milk |
| Machmeter | an instrument in an aircraft indicating airspeed as a Mach number |
| Magnetometer | an instrument used for measuring magnetic forces |
| Manometer | an instrument for measuring the pressure acting on a column of fluid |
| Micrometer | a gauge which measures small distances or thicknesses between its two faces |
| Microphone | an instrument for converting sound waves into electrical energy variations which may then be amplified, transmitted, or recorded |
| Microscope | an optical instrument used for viewing very small objects |
| Nephelometer | an instrument for measuring the size and concentration of particles suspended in a liquid or gas |
| Ohmmeter | an instrument for measuring electrical resistance |
| Ondometer | A meter for registering the frequency of electromagnetic waves |
| Periscope | an optical instrument for viewing objects that are above the level of direct sight |
| Photometer | an instrument for measuring the intensity of light |
| Polygraph | a machine designed to detect and record changes in physiological characteristics, such as a person’s pulse and breathing rates |
| Pyknometer | device used to determine the density of a liquid |
| Pyrheliometer | an instrument for measurement of direct beam solar irradiance |
| Pyrometer | an instrument for measuring high temperatures |
| Quadrant | an instrument used for taking angular measurements of altitude in astronomy and navigation |
| Radar | a system for detecting the presence, direction, distance, and speed of aircraft, ships, by sending out pulses of radio waves which are reflected off the object back to the source |
| Radio Micrometer | an instrument for measuring small amounts of radiant energy |
| Refractometer | an instrument for measuring a refractive index |
| Salinometer | an instrument for measuring the salinity of water |
| Sextant | used for measuring the angular distances between objects |
| Spectroscope | an apparatus for producing and recording spectra for examination. |
| Spectrometer | an apparatus used for recording and measuring spectra |
| Spherometer | an instrument for the precise measurement of the radius of a sphere. |
| Sphygmomanometer | an instrument for measuring blood pressure |
| Stereoscope | a device by which two photographs of the same object taken at slightly different angles are viewed together |
| Stethoscope | a medical instrument for listening to the action of someone’s heart or breathing |
| Stroboscope | an instrument for studying periodic motion |
| Tachometer | an instrument which measures the working speed of an engine especially rotational speed of a shaft (used in aeroplanes and motor-boats) |
| Tacheometer | a type of theodolite designed for the rapid measurement of distances, elevations, and directions |
| Tangent Galvanometer | an instrument for measuring small electric currents |
| Telemeter | an apparatus for recording the readings of an instrument & transmitting them by radio |
| Teleprinter | a device for transmitting telegraph messages as they are keyed, and for printing messages received |
| Telescope | an optical instrument to view distant objects |
| Thermometer | an instrument for measure temperature |
| Thermostat | a device that automatically regulates temperature |
| Tonometer | An instrument for measuring the pitch of musical tones |
| Transponder | a device for receiving a radio signal and automatically transmitting reply |
| Udometer | Rain gauge |
| Ultrasonoscope | Measure and use ultrasonic sound; use to make an Ecogram to detect brain tumours, heart defects |
| Venturimeter | Measures the velocity, or flow rate, of fluid flowing through a pipeline |
| Vernier | Measures small sub-division of scale |
| Viscometer | an instrument for measuring the viscosity of liquids |
| Voltmeter | an instrument for measuring electric potential between two points |
| Wattmeter | a meter for measuring electric power in watts |
| Wavemeter | wavemeter is aninstrument used to measure the frequency of radio waves |
You can download the Pdf of complete list of scientific instruments here.