Dear Aspirants,
Measuring Instruments list PDF: In this article, we provide a complete list of Measuring instruments, and their uses which we use in our daily life which are very useful to us. Different Instrument has different work properties.
Measuring instruments are devices used to obtain accurate and precise measurements of physical quantities. These instruments play a crucial role in various fields such as engineering, physics, chemistry, and manufacturing, among others. Here are some common types of measuring instruments:
- Ruler or Tape Measure: Used for linear measurement, typically in millimeters, centimeters, or inches. It is commonly used in construction, carpentry, and tailoring.
- Thermometer: Measures temperature, either in Celsius or Fahrenheit. It is used in weather forecasting, medical applications, and scientific research.
- Balance or Scale: Used to measure mass or weight. It can be a simple weighing scale or a more advanced electronic balance found in laboratories and commercial settings.
- Gauges: Used to measure various parameters such as pressure, thickness, or depth. Examples include pressure gauges, vacuum gauges, and tire pressure gauges.
- Multimeter: This versatile instrument combines several measurement functions into one device. It commonly measures voltage, current, and resistance and is essential for electrical and electronic troubleshooting.
- Spectrophotometer: Used to measure the intensity of light at different wavelengths. It finds applications in areas like chemistry, biology, and environmental science.
- Protractor: Used to measure angles. It is commonly used in geometry, engineering, and navigation.
- Micrometer: Also known as a caliper, it measures small distances or thicknesses with high precision. It is commonly used in machining and mechanical engineering.
- Flowmeter: Measures the rate of flow of liquids or gases. It is widely used in industries such as oil and gas, water treatment, and chemical processing.
- Oscilloscope: Used to visualize and measure electrical waveforms. It finds applications in electronics, telecommunications, and engineering fields.
These are just a few examples of measuring instruments, and there are many more available depending on the specific measurement requirements in different industries. The accuracy and reliability of these instruments are vital for obtaining precise and consistent results in various scientific, industrial, and everyday applications. They are helpful for all students and Aspirants for all competitive examinations like SSC CHSL, CGL, JE | RRB NTPC, Group D | Banking | FCI, and other State level Examinations.
Table of Contents
Measuring Instruments List PDF with Their Uses
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.
Measuring Instruments list PDF
| 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 is Used to restore electrical current. |
| 4 | Alcoholmeter | 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 is used to display the opaque photo on the screen |
| 9 | Audimeter | It measures hearing or at 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 and 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 the 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 is used to view distant objects. |
| 19 | Bolometer | It measures thermal radiation |
| 20 | Brannock 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 vapor. |
| 24 | Cardiogram | It traces the movements of the heart. Recorded on a cardiograph |
| 25 | Cathetometer | It measures vertical distances |
| 26 | Calipers | 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 particle’s 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 is 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 particles 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 is 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 objects 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 includes 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 measures 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 is used in measuring the speed of airplanes 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. |
Measuring Instruments list PDF
List of Measuring Instruments
Measurement is an important part of science, construction, art, design, and a wide array of other professional fields. There are hundreds of measurement tools. Each measuring instrument serves a specific purpose for the person who is using it. There are a few measuring instruments that are more commonly seen than others.
- Rulers, Yardsticks, and Meter Sticks
Rulers are used to measuring length, as are meter sticks and yardsticks. Rulers are used extensively in design labs and classrooms, while meters and yardsticks are more commonly used for construction purposes. A ruler measures in inches and is twelve inches long. A yardstick measures feet, inches, and yards and is three feet long, while a meter stick measures meters, centimeters, and millimeters and is one hundred centimeters long.
- Beakers, Graduated Cylinders, and Cups
Beakers graduated cylinders and measuring cups are used to measure the volume of a liquid. Measuring cups are most traditionally found in the kitchen as a way to measure ingredients, while beakers and graduated cylinders are usually found in a science lab. While measuring cups use measurements like tablespoons, teaspoons, and cups, beakers and graduated cylinders use the metric system and measure in milliliters and liters.
- Scales and Balances
Scales and balances are used for yet another kind of measurement — the measurement of an object’s weight. Balances usually have two suspended baskets. On one side, a person places the object he or she wishes to measure. On the other side, weighted cubes are added until the two sides of the balance sit evenly. How much weight has been placed on the measurement side is how much the object weighs. Scales operate in a similar manner but do not require weight to be added and simply make the calculation through internal software or sliding weights.
Types of Measuring Instruments
The instrument used for measuring the physical and electrical quantities is known as the measuring instrument. The term measurement means the comparison between the two quantities of the same unit. The magnitude of one of the quantities is unknown, and it is compared with the predefined value. The result of the comparison was obtained regarding numerical value.
The measuring instrument is categorized into three types;
- Electrical Instrument
- Electronic Instrument
- Mechanical Instrument
The mechanical instrument uses for measuring the physical quantities. This instrument is suitable for measuring the static and stable conditions because the instrument is unable to give the response to the dynamic condition. The electronic instrument has a quick response time. The instrument provides a quick response as compared to the electrical and mechanical instruments.
The electrical instrument is used for measuring electrical quantities like current, voltage, power, etc. The ammeter, voltmeter, and wattmeter are examples of electrical measuring instruments. The ammeter measures the current in amps; the voltmeter measures voltage and the Wattmeter is used for measuring the power. The classification of the electric instruments depends on the methods of representing the output reading.
Measuring Instruments list PDF (FAQs)
Q. For what purpose is Oximeter used?
Ans- Oximetry is used to measure the oxygen level (oxygen saturation) of the blood.
Q. What is used in barometer and thermometer
Ans- A barometer measures the atmospheric pressure and a thermometer measure 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 the ocean?
Ans- A fathometer is used to measure the depth of the ocean.
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