Measuring Instruments and their uses

Dear Aspirants, here we provide a Measuring Instrument and their uses which are helpful for all students and for all competitive examinations like Railway NTPC, JE, Group-D, SSC, and state PSU. Different Instrument has different work properties.

List of Measuring Instrument

Accelerometer– It measures physical acceleration

Actino meter– It measures the heating power of sunlight.

or measure the intensity of solar radiation

Alcholmeter – It measures alcoholic strength of liquids

Altimeter – It measures altitude sand is used in aircrafts

Ammeter – It measures the strength of the electric current.

Anemometer– It measures the speed and velocity of the wind.

Audimeter – It measures hearing or least audible sound.

Audiometer – It measures the intensity of sound

Audiophone– It is used for improving the imperfect sense of hearing

Barkometer– It measures tanning liquors used in tanning leather

Barograph -It measures continuous recording of atmospheric pressure

Barometer -It measures the atmospheric pressure

Bevameter – It measures the mechanical properties of soil

Binocular – The device used to view distant objects.

Bolometer – It measures thermal radiation

Brannok Device – It measures shoe size

Breathalyzer – It measures breath alcohol content Caliper distance

Calorimeter – It measures the quantity of heat

Carburettor– It is used in an internal combustion engine for charging the air with pet vapour.

Cardiogram – It traces movements of the heart. Recorded on a cardiograph

Cathetometer– It measures vertical distances

Ceilometer– It measures the height of a cloud base

Chronometer – It determines the navigation and longitude of a place.

Chronometer –it measures the right time in ships/streamers

Clap-o-meter– It measures the volume of applause

Colorimeter– It measures color

Compass – It is an instrument used by the sailors to determine the direction.

Creepmeter – It measures slow surface displacement of an active geologic fault in the earth

Crescograph– It measures the growth in plants

Cyclotron– A charged particle accelerator which can accelerate charged particles high energies

Declinometer – It measures magnetic declination

Densimeter – It measures the specific gravity of liquids

Densitometer– It measures degree of darkness in photographic or semitransparent material

Dialtometer– It measures volume changes caused by a physical or chemical process

Diffractometer– It measures the structure of crystals

Disdrometer– It measures size, speed, and velocity of raindrops

Dosimeter – It measures exposure to hazards, especially radiation; radiation of item

Dynamo -.It converts mechanical energy into electrical energy.

Dynamometer –It measures electrical power

Electricity Meter– It measures electrical energy Electrometer – It measures the potential difference

Electronic Tuner – It measures the pitch of musical notes

Electroscope – The device that confirms/detect the presence of electric charge.

Ellipsometer– It measures refractive index, dielectric function, the thickness of thin films

Endoscope –It examines the internal parts of the body.

Eudiometer – It used for measuring volume changes in the chemical reaction between gases.

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Eudiometer – It measures change in volume of a gas mixture following combustion

Evaporimeter – It measures rate of evaporation

Fathometer – It measures the depth of the sea and ocean.

Frequency Counter– It measures Frequency Of Alternating Current

Fuel Gauge– It measures fuel levels

Galvanometer – It measures the low magnitude electric current.

Gas Pycnometer– It measures volume and density of solids

Geiger Counter– It measures ionizing radiation Glucometer – It measures blood glucose

Graphometer – It measures angles

Heliometer– It measures variation of the sun’s diameter

Hydrometer – It measures the specific gravity of liquids.

Hydrophone-It measures sound under water

Hygrometer – It measures humidity in air

Inclinometer– It measures angle of a slope

Infrared Thermometer– It measures heat radiated

Interferometer– It measures wave interference

Katharometer – It measures composition of gases

Kymograph – It graphically records physically movements of cell.

Lactometer– It determines the purity of milk.

Light meter– It measures light in photography.

Lux meter– It measures intensity of light.

Magnetometer – It measures strength of magnetic fields

Manometer– It measures the pressure of gases.

Mass Spectrometer– It measures masses of ions, used to identify chemical substances through their mass spectra

Megger– It measures electrical insulation

Mercury Barometer– It measures Atmospheric pressure

Micrometer – It measures small distances

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Microphone – It converts the sound waves into electrical vibrations and magnify the sound.

Microscope – It is used to obtain magnified view of small object.

Multimeter– It measures electrical potential, resistance, and current

Nephelometer– It measures particle in a liquid

Nephoscope – It measures the speed and direction of clouds

Odometer – It measures the distance covered by wheeled vehicles.

Ohmmeter – It measures electrical resistance Orchidometer- It measures testicle size in male humans

Oscilloscope – It measures oscillations

Osmometer – It determine the concentration of osmotically active particles that reduce the vapor pressure of a solution.

Parking Meter– It measures collects moneys for vehicle parking rights in a zone for a limited time

Pedometer– It measures steps PH meter pH (chemical acidity/basicity of a solution)

Periscope – It is used to view object above sea level (used in sub-marines)

Phonograph– An instrument for producing sound.

Photometer -It measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum. .

Planometer – It measures area

Polarimeter– It measures rotation of polarized light

Potentiometer– It measures voltage (term is also used to refer to a variable resistor)

Profilometer – It measures surface roughness Protractor angles

Psychrometer – It measures humidity

Pycnometer – It measures fluid density

Pyranometer– It measures solar radiation

Pyrheliometer – It measures direct solar insolation

Pyrometer-It measures very high temperature.

Radar– It measures the speed and direction of far aircraft.

Radiometer– It measures the emission of radiant energy.

Rheometer– It measures response to applied forces

Rain Gauge– An apparatus for recording rainfall at the particular place.

Refractometer– it measures refractive index.

Rotameter – It measures pressure of a liquid or gas in a closed tube

Saccharometer – It measures amount of sugar in a solution

Salinometer-It determines salinity of solution.

Seismograph– it measures the intensity of earthquake shocks.

Sextant– This is used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star.

Spectrometer– it measuring the energy distribution of a particular type of radiation.

Spectrophotometer– It measures intensity of light as a function of wavelength

Speedometer– it records the speed of a vehicle .

Spherometer– It measures the curvatures of surface.

Sphygmomanometer – It measures blood pressure

Spirometer – It measures the lung capacity

Stadimeter– It measures object range

Stereoscope– It is used to view two dimensional pictures.

Stethoscope– It measures heart and lung sounds.

Strainmeter – It measures seismic strain

Stroboscope– It measures to view rapidly moving objects

SWR meter– It measures standing wave ratio

Tachometer– This instrument used in measuring speed of aero planes and motor boats.

Taximeter – It measures distance travelled, displacement

Telescope– It views distant objects in space.

Tensiometer – It measures surface tension of a liquid

Theodolite– it measures horizontal and vertical angles.

Thermometer– It measures temperature

Thermostat– This device regulates the temperature at a particular point.

Tiltmeter – It measures minor changes to the Earth

Tintometer– It measures colour Vacuum Gauge very low pressure Viscometer viscosity of a fluid

Viscometer– It measures the viscosity of liquids.

Voltmeter– It measures the electric potential difference between two points.

Watt Meter– It measures electrical power

Wind Vane – It measures wind direction

Zymometer– It measures fermentation.


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