In this article you are going to learn almost 150 most important Scientific Instruments and their definitions.
- Hydrometer measures humidity.
- Barometer measures atmospheric pressure.
- Purity of milk is measured by lactometer.
- Fathometer measures the depth of oceans.
- Sextant is used for measuring altitude of Sun and other heavenly bodies.
- Chronometer records accurate time on ships.
- Algesimeter indicates the degree of sensitiveness of skin.
- Altimeter measures altitudes.
- Ammeter measures current.
- Anemometer records velocity of wind.
- Cyamometer measures blueness of sky or ocean.
- Dasymeter measures density of gas.
- Galvanometer measures small electric current.
- Hydrometer measures relative density of liquids.
- Hygrometer measures humidity in atmosphere.
- • Periscope is used for viewing objects above eye level.
- Cyclotron is used for electromagnetic acceleration of charged atoms
- • Geiger counter is used for detecting and recording radioactivity. It was invented by Hans Geiger (1882-1945)
- Pyrometer measures high temperatures.
- Refrectometer measures refractive index of a substance.
- Seismograph measures intensity of earthquake.
- Telstar transmits wireless or T.V broadcast.
- Viscometer measures viscosity of liquids.
- Spiro graph records the movement of lungs.
- Photometer measures rate of transpiration.
- Scotograph is used for enbling blind to write.
- Eratosthenes measures distance round the earth.
- Kaldio-scopes have proved helpful in finding the amount of dampness in soil.
- Mohr’s scale measures degree of hardness of minerals.
- RBC and WBC is bloods are counted by Hemocytometer.
- Manometer is the instrument of measuring gas pressure.
- Spectrometer instrument for measuring the spectrum of light.
- The variation in the blood flow can be heard with an instrument called _ stethoscope.
- What is measured by an interferometer-Wavelength of light.
- Hydrophone is used for measuring sound under water.
- Magnometer is an instrument designed to compare the magnetic movement and field.
- Potometer is used to measure the rate of respiration in animal and plants.
- For measuring solar radiation we use pyrheliometer.
- Actimometer measures direct heating power of the Sun.
- Ammeter is use for measuring current strength.
- Manometer is the instrument of measuring gas pressure.
- Spectrometer instrument for measuring the spectrum of light.
- The measurement of rainfall is made by an instrument known as rain gauge
- What is measured with an ombrometer-Rainfall
- The instrument used to measure very high temperature: Infrared pyrometers
- Mechanical energy into electrical energy: Generator
- Heat energy into mechanical energy: Heat engine or steam engine.
- Electrical energy into mechanical energy: Electrical Motor
- • Electrical energy into sound energy: Loudspeaker
- Sound energy into electrical energy: Microphone
- The device used to measure radioactivity: Geiger-Muller tube
- • The device which converts the chemical energy into electrical energy: Battery
- The device used to measure radioactivity. Geiger counter
- Hygrometer is instrument used for measuring humidity of air.
- Heliscope is used for viewing the sun.
- What does a potometer measure- Water intake
- Clinical thermometer usually measures in Fahrenheit.
- Actimometer measures direct heating power of the Sun.
- Ammeter is use for measuring current strength
- Voltammeter is an electrolytic cell for conducting electrolytic dissociation of electrolyte.
- What does a drosomoter measure: Dew
- Relative density of an atmosphere is measured by hygrometer.
- Spirograph is an apparatus used for recording the movement of the lungs.
- The maximum limit of sound beyond which a person can become deaf is 129 lbs.
- Charles K Rhodes developed an X-Ray emitting laser in 1990.
- Son meter is an instrument used to study the behavior of vibrating string.
- The instrument used for measuring the velocity of wind is known as anemometer.
- Altimeter: an apparatus used in aircraft for measuring altitudes.
- Ammeter: is used for to measure intensity of sound.
- Audiometer: an instrument to measure intensity of sound.
- Audiophone: is an instrument required for improving imperfect sense of hearing.
- Barograph: for continuous recording of atmospheric pressure.
- Barometer: is an apparatus used for measuring the atmospheric pressure.
- Binoculars: is an instrument used for seeing distant objects, the rays of light are twice reflected by means of right-angled prisms.
- Callipers: a compass with legs for measuring the inside or outside diameter of bodies.
- Calorimeter: an instrument used for measuring quantities of heat.
- Carburettor: is an apparatus for charging air with petrol vapours in an internal combustion engine.
- Cardiogram: a medical instrument used for tracing the movements of the heart.
- Cardiograph: is a medical instrument for tracing heart movements.
- Chronometer: is an instrument kept on board the ships for measuring accurate time.
- Commutator: split ring which forms the main part of a D.C. Dynamo.
- Compass needle: for knowing approximately the North-South direction at a place.
- Crescograph: is an instrument for use in recording growth of plants; invented by J.C. Bose.
- Dynamo: The origin of electricity in a Dynamo is the transformation of mechanical energy into electrical energy. It depends on the principle of electro-magnetic induction whereby a current is produced on traversing a magnetic field.
- Epidiascope: for projecting films as well as images of opaque articles on a screen.
- Fathometer: is an instrument used for measuring depth of the ocean.
- Lactometer: is an apparatus used for measuring the purity of milk.
- Manometer: for determining the pressure of a gas.
- Mariner’s Compass: is an apparatus which is used to guide the sailors. The needle always points north-south.
- Micrometer: is an instrument used for converting sound i.e., fraction of the lowest division of a given scale.
- Microphone: is an instrument used for converting sound waves into electrical vibrations.
- Microscope: is an instrument which is used for magnifying minute objects by a lens system.
- Microtome: is used for cutting an object into thin parts for microscopic inspection.
- Odometer: is an instrument by virtue of which the distance covered by wheeled vehicles is recorded.
- Phonograph: is an instrument used for reproducing sound.
- Photometer: is an apparatus used to compare the illuminating power of two sources of light.
- Potentiometer: is used for comparing the e.m.f.s, of cells, measurements of the thermal e.m.f.s, large potential differences and currents. It is also used for measuring low resistances.
- Psychrometer: is an instrument for measurement of the humidity of the atmosphere.
- Pyrometer: is an instrument for recording high temperatures from a great distance (i.e., for recording temperature of the sun etc.) by making use of the laws of radiation.
- Radar: Radio, Angle, Detection And Range is used to detect the direction and range of an approaching aeroplane by means of radio microwaves.
- Rain Gauge: is an apparatus for recording of rainfall at a particular place.
- Radiometer: is an instrument for measuring the emission of radiant energy.
- Refractometer: is an instrument to measure refractive indices.
- Saccharimeter: is an instrument for determining the amount of sugar in a solution. It is used in breweries.
- Seismometer or Seismograph: is an instrument used for recording earthquake shocks.
- Sextant: is an instrument invented by John Hadley used for measuring the altitude of the sun and of other inaccessible heavenly bodies.
- Speedometer: is an instrument which indicates speed at which a vehicle is moving.
- Spherometer: is an instrument for measuring curvature of surfaces.
- Sphygmomanometer: an instrument used for measuring arterial blood-pressure.
- Sphygmophone: an instrument, with the help of which a pulse beat makes a sound.
- Sphygmoscope: an instrument, by virtue of which, arterial pulsations become visible.
- Stereoscope: It is a special type of binocular, through which a double photograph snapped from two different angles by a two-lensed camera is viewed in solid relief.
- Stethoscope: is an instrument to hear and analyse movements of heart and lungs.
- Stop watch: for recording small intervals of time in the laboratory, in races and other events.
- Stroboscope: is an instrument for viewing objects moving rapidly with a periodic motion and to see them as if they were at rest.
- Tachometer: is an instrument for determining speeds of aeroplanes and motor boats.
- Teleprinter: an instrument which prints automatically messages sent from one place to another, on telegraph lines.
- Telescope: is an apparatus used for observing distant objects.
- Theodolite: is an instrument for measuring horizontal and vertical angles.
- Thermocouple: an instrument based on thermo-electricity used for measuring temperatures.
- Thermometer: is an apparatus used for measuring temperature.
- Thermostat: It is an instrument used to regulate the temperature to a particular degree.
- Viscometer: is an instrument to measure viscidity
- Seismometer or Seismograph: is an instrument used for recording earthquake shocks.
- Sextant: is an instrument invented by John Hadley used for measuring the altitude of the sun and of other inaccessible heavenly bodies.
- Speedometer: is an instrument which indicates speed at which a vehicle is moving.
- Spherometer: is an instrument for measuring curvature of surfaces.
- Sphygmomanometer: an instrument used for measuring arterial blood-pressure.
- Sphygmophone: an instrument, with the help of which a pulse beat makes a sound.
- Sphygmoscope: an instrument, by virtue of which, arterial pulsations become visible.
- Stereoscope: It is a special type of binocular, through which a double photograph snapped from two different angles by a two-lensed camera is viewed in solid relief.
- Stethoscope: is an instrument to hear and analyse movements of heart and lungs.
- Stop watch: for recording small intervals of time in the laboratory, in races and other events.
- Stroboscope: is an instrument for viewing objects moving rapidly with a periodic motion and to see them as if they were at rest.
- Tachometer: is an instrument for determining speeds of aeroplanes and motor boats.
- Teleprinter: an instrument which prints automatically messages sent from one place to another, on telegraph lines.
- Telescope: is an apparatus used for observing distant objects.
- Theodolite: is an instrument for measuring horizontal and vertical angles.
- Thermocouple: an instrument based on thermo-electricity used for measuring temperatures.
- Thermometer: is an apparatus used for measuring temperature.
- Thermostat: It is an instrument used to regulate the temperature to a particular degree.
- Viscometer: is an instrument to measure viscidity.