140+ List of Measuring Instruments and Their Uses

Dear Aspirants, In this article I provide a complete list of  Measuring instruments and their uses which we use in our daily life which are very useful for us. Different Instrument has different work properties.

In most of the Competitive examinations like Railway NTPC, JE, ALP, Group D, SSC CGL, CHSL, Banking, FCI, State PSU, etc., science is a major part of General Knowledge. Most questions arise in the examination from Unit and Measurement, Chemical Formulas, Inventions and Discoveries, Important Minerals & Ores, Various Branches of science/Study of Different fields, etc. which are helpful for all students and Aspirants for all competitive examinations like Railway NTPC, JE, Group-D, SSC, Banking, and state PSU.


List of Measuring Instruments and Their Uses are:-


SI No. Instrument/Device Used for
1 Accelerometer It measures physical acceleration
2 Actino meter It measures the heating power of sunlight. or measure the intensity of solar radiation
3 Accumulator It Used to restore electrical current.
4 Alcholmeter  It measures the alcoholic strength of liquids
5 Altimeter  It measures altitude sand is used in aircrafts
6 Ammeter  It measures the strength of the electric current.
7 Anemometer It measures the speed and velocity of the wind.
8 Apicoiscope It used to display the opaque photo on the screen
9 Audimeter  It measures hearing or least audible sound.
10 Audiometer  It measures the intensity of sound
11 Audiophone It is used for improving the imperfect sense of hearing
12 Aviontimeter It is used to detect measure the intensity of sun rays.
13 Avometer Detect any fault in the radio.
14 Barkometer It measures tanning liquors used in tanning leather
15 Barograph  It measures continuous recording of atmospheric pressure
16 Barometer  It measures the atmospheric pressure
17 Bevameter  It measures the mechanical properties of soil
18 Binocular  The device used to view distant objects.
19 Bolometer  It measures thermal radiation
20 Brannok Device  It measures shoe size
21 Breathalyzer  It measures breath alcohol content Caliper distance
22 Calorimeter It measures the quantity of heat
23 Carburetor It is used in an internal combustion engine for charging the air with pet vapour.
24 Cardiogram  It traces movements of the heart. Recorded on a cardiograph
25 Cathetometer It measures vertical distances
26 Callipers It measured the internal and external diameter of a cylindrical object
27 Ceilometer It measures the height of a cloud base
28 Chronometer  It determines the navigation and longitude of a place.
29 Chronometer  It measures the right time in ships/streamers
30 Clapo meter It measures the volume of applause
31 Colorimeter It measures color
32 Compass  It is an instrument used by the sailors to determine the direction.
33 Creepmeter  It measures the slow surface displacement of an active geologic fault in the earth
34 Crescograph It measures the growth in plants
35 Cyclotron A charged particle accelerator can accelerate charged particles high energies
36 Declinometer  It measures magnetic declination
37 Densimeter  It measures the specific gravity of liquids
38 Densitometer It measures the degree of darkness in photographic or semitransparent material
39 Dialtometer It measures volume changes caused by a physical or chemical process
40 Diffractometer It measures the structure of crystals
41 Disdrometer It measures the size, speed, and velocity of raindrops
42 Dosimeter  It measures exposure to hazards, especially radiation; radiation of item
43 Dynamo  It converts mechanical energy into electrical energy.
44 Dynamometer  It measures electrical power
45 Electricity Meter It measures electrical energy
46 Electrometer It measures the potential difference
47 Electronic Tuner  It measures the pitch of musical notes
48 Electroscope  The device that confirms/detects the presence of electric charge.
49 Ellipsometer It measures refractive index, dielectric function, the thickness of thin films
50 Endoscope  It examines the internal parts of the body.
51 Eudiometer  It used for measuring volume changes in the chemical reaction between gases.
52 Eudiometer  It measures the change in volume of a gas mixture following combustion
53 Evaporimeter  It measures the rate of evaporation
54 Fathometer  It measures the depth of the sea and ocean.
55 Frequency Counter It measures the Frequency of Alternating Current
56 Fuel Gauge It measures fuel levels
57 Galvanometer  It measures the low magnitude electric current.
58 Gas Pycnometer It measures the volume and density of solids
59 Geiger Counter It measures ionizing radiation
60 Glucometer It measures blood glucose
61 Graphometer  It measures angles
62 Heliometer It measures the variation of the sun’s diameter
63 Hydrometer It measures the specific gravity of liquids.
64 Hydrophone It measures sound underwater
65 Hygrometer  It measures humidity in the air
66 Inclinometer It measures the angle of a slope
67 Infrared Thermometer It measures heat radiated
68 Interferometer It measures wave interference
69 Katharometer  It measures the composition of gases
70 Kymograph  It graphically records the physical movements of cells.
71 Lactometer It determines the purity of milk.
72 Light meter It measures light in photography.
73 Lux meter It measures the intensity of light.
74 Magnetometer  It measures the strength of magnetic fields
75 Manometer It measures the pressure of gases.
76 Mass Spectrometer It measures masses of ions, used to identify chemical substances through their mass spectra
77 Megger It measures electrical insulation
78 Megaphone It used to throw sound or voice remotely.
79 Mercury Barometer It measures Atmospheric pressure
80 Micrometer  It measures small distances
81 Microphone  It converts the sound waves into electrical vibrations and magnifies the sound.
82 Microscope  It is used to obtain a magnified view of a small object.
83 Multimeter It measures electrical potential, resistance, and current
84 Nephelometer It measures particle in a liquid
85 Nephoscope  It measures the speed and direction of clouds
86 Odometer  It measures the distance covered by wheeled vehicles.
87 Ohmmeter  It measures electrical resistance
88 Orchidometer It measures testicle size in male humans
89 Oscilloscope  It measures oscillations
90 Osmometer  It determines the concentration of osmotically active particles that reduce the vapor pressure of a solution.
91 Oximetry It used to measure the oxygen level (oxygen saturation) of the blood.
92 Parking Meter It measures collects money for vehicle parking rights in a zone for a limited time
93 Pedometer It measures steps PH meter pH (chemical acidity/basicity of a solution)
94 Periscope  It is used to view object above sea level (used in submarines)
95 Phonograph An instrument for producing sound.
96 Photometer  It measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum. .
97 Planometer It measures area
98 Polarimeter It measures the rotation of polarized light
99 Potentiometer It measures voltage (the term is also used to refer to a variable resistor)
100 Profilometer  It measures surface roughness Protractor angles
101 Psychrometer  It measures humidity
102 Pycnometer  It measures the fluid density
103 Pyranometer It measures solar radiation
104 Pyrheliometer  It measures direct solar insolation
105 Pyrometer It measures a very high temperature.
106 Radar It measures the speed and direction of far aircraft.
107 Radiometer It measures the emission of radiant energy.
108 Rheometer It measures response to applied forces
109 Rain Gauge An apparatus for recording rainfall at a particular place.
110 Refractometer It measures the refractive index.
111 Rotameter  It measures the pressure of a liquid or gas in a closed tube
112 Saccharometer  It measures the amount of sugar in a solution
113 Salinometer It determines the salinity of the solution.
114 Seismograph It measures the intensity of earthquake shocks.
115 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.
116 Spectrometer It measuring the energy distribution of a particular type of radiation.
117 Spectrophotometer It measures the intensity of light as a function of wavelength
118 Speedometer It records the speed of a vehicle.
119 Spherometer It measures the curvatures of the surface.
120 Sphygmomanometer  It measures blood pressure
121 Spirometer  It measures the lung capacity
122 Stadimeter It measures object range
123 Stereoscope It is used to view two-dimensional pictures.
124 Stethoscope It measures heart and lung sounds.
125 Strainmeter  It measures seismic strain
126 Stroboscope It measures to view rapidly moving objects
127 SWR meter It measures the standing wave ratio
128 Tachometer This instrument used in measuring the speed of aeroplanes and motorboats.
129 Taximeter  It measures distance traveled, displacement
130 Telescope It views distant objects in space.
131 Tensiometer  It measures the surface tension of a liquid
132 Theodolite It measures horizontal and vertical angles.
133 Thermometer It measures temperature
134 Thermostat This device regulates the temperature at a particular point.
135 Tiltmeter  It measures minor changes to the Earth
136 Tintometer It measures color Vacuum Gauge very low-pressure Viscometer viscosity of a fluid
137 Viscometer It measures the viscosity of liquids.
138 Voltmeter It measures the electric potential difference between two points.
139 Watt Meter It measures electrical power
140 Wind Vane  It measures wind direction
141 Zymometer It measures fermentation.




Q. For what purpose is Oxymeter used?

Ans-Oximetry is used to measure the oxygen level (oxygen saturation) of the blood.

Q. What is used in barometer and thermometer

Ans-Barometer measures the atmospheric pressure and thermometer measures the temperature.

Q. What is voltmeter used for?

Ans-Voltmeter measures the electric potential difference between two points.

Q. Which instrument is used to depth of ocean?

Ans-Fathometer is used to measure the depth of ocean.

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I am Arati Nayak. I like to share knowledge for students and Aspirants to make everything easy, clear, and unique.

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