Mass

Physical Balance

Weight

Spring Balance (Hooks’ Law)

Barometer

Atmospheric Pressure

Fortin’s Barometer

Used in laboratory for measuring pressure

Aneroid Barometer

Used as an Altimeter in Aircraft

Sphygmomanometer

It measures Human Blood Pressure

Hydrometer

It measures Relative Density or Specific Gravity of Liquid

Lacto Meter

It measures the purity of milk

Audio Meter

It measures Loudness of sound

Thermometer

It measures Temperature of Human Body

Pyrometer

It measures High Temperature (Measures above 800^oC)

Anemometer

It measures Wind Velocity

Chronometer

An accurate time-keeping Instrument

Clinometer

An instrument used for determining the difference in elevation between two points.

Fathometer

It measures Depth of the Ocean

Hygrometer

It measures Humidity in the Atmosphere

Planimeter

It measures Irregular plane areas on Maps

Psychrometer

It measures Humidity of the Atmosphere

Seismograph

Used for measuring and recording earthquake shocks

Ammeter

Measures strength of Electric Current

Bolometer

It measures Heat Radiation

Calipers

It measures inner and outer diameters of halo bodies.

GM Counter & Wilson Cloud Chamber

It measures Measure Radioactive Decay

Calorimeter

It measures Quantities of Heat

Cryometer

It measures Very Low Temperature

Dynamometer

It measures Electrical Power

Galvanometer

It measures Very Small Electric Current

Hypsometer

It measures Boiling Point of Liquid

Manometer

It measures the Pressure of Gases

Micrometer

It measures Distances / Angles

Rain Gause

It measures amount of Rail Fall

Sextant

It measures angular distance between objects

Crescograph

It measures Growth in Plants

Odometer

An instrument attached to the wheel of a vehicle to measure distance travelled

Speedometer

Indicate the instant speed or current speed of a vehicle

Phonograph

An instrument used for Reproducing Sound

Pyrheliometer

It measures Solar Radiation

Optometer

It is used to taste the Refractive Power of Eye

Beaufort Scale

Measures Wind Velocity at Sea or on Land.

Its fall name is the Beaufort wind force scale. It’s founder was Francis Beaufort a Irish born Royal Navy officer in 1805.

Eudiometer

Measuring amount of Oxygen in Air or Analyzing Gases.

Glucometer

Medical device for determine the approximate concentration of Glucose in the Blood.

Cyanometer

It measures the Blueness of Sky.

Venturi Meter

It measures Rate of flow of liquid (works upon Bernoulli’s Principle)

Spectrophotometer

[It is used to determine turbidity by measuring the amount of light that passed through suspension of cells]

 It measures Growth of Bacteria

Hemocytometer

Used for counting Blood Cells

Auxanometer

Apparatus for measuring rate of Growths in Plant

Variometer

A device for measuring the rate of climb or descend of an Aircraft

Spectroscope

An instrument used for Spectrum Analysis

Piezometer

An instrument for measuring the Pressure especially High Pressure (liquid or gas)

Optometer

An instrument used for measuring the distance of distinct vision, mainly for the selection of eye glasses.

Colorimeter

In instrument for comparing intensity of color

CAT Scanner

An instrument that creates a 3-D image of the body issued by X-rays pictures.

Actinometer

A device that measures the Heating Power of Radiation

Cyclotron

In instrument used for produce Artificial Weather

Tachometer

To measure the Speed of Airplanes and Ships

Cathetometer

It measures Heights and Levels

Commutator

Used in generators to reverse the direction of electric current.

Spirometer

It measures the capacity of Lungs

Breath Analyzer

It measures Alcohol Percentage in Blood

Hypsometer

Determine the Boiling Point of Liquid

Ondometer

Measures the frequency of Electromagnetic Wave (Radio waves)

Telemeter

Records Physical happenings at a distance place (Space)

Sling Psychrometer

Measures Relative Humidity (%)

(II) Measures Dew Point (^oC or ^oF)

RCM-9 or Recording Current Meter

It measures Ocean Current

Unit- Sverdrup

1 SV – 1,000,000 m³/sec

Stroboscope

The device with which the speed of a body is measured which execute the periodic motion

Saccharometer

It measures the Concentration of Sugar

Stereoscope

Used to sketch two dimensional photographs

Tensiometer

It measures the Soil Moisture / Soil Tension

Udometer / Pluviometer /Ombrometer

It measures the amount of Rain Fall

Venturi Meter

It measures the Speeds of Flow of Liquid

Wave Meter

It measures the wavelength of the Radio Wave

Polygraph

Used as a Lie Detector

Rotameter

Measure the volumetric flow tube role of liquid or gas in a closed tube.

Avometer

Used to detect any Fault in Radio

Aerometer

Used to measure the weight and density of air & gases

Potometer

It measures the rate of Transpiration in Plants

Lucimeter

It measures Light Intensity

Aviontimeter

Used to measure the intensity of Sun Rays.

Beva meter

It measures the Mechanical Properties of Soil

Cyclotron

Used to accelerate charged particles and ions etc.

Geiger Mutter Counter

Used to measure the radiation of a Radio Active Substance

Mariner’s Compass

Used by the sailors to determine the direction in the sea

Ondometer

Measures the frequency or wave length of an electromagnetic wave

Actinometer

It measures the intensity of Sun’s ray / Radiation specially Ultra Violet Radiation

Introspective

A device which is known to see objects located above the sight level of viewer’s eyes and whose direct view is interrupted.

Hyetometer

It measures the amount of Rain Fall.

Mercali Intensity Scale

It measures the Intensity of Earth Quake.

Pycnometer

It measures density or specially volume of solids.

Atmometer/Evaporimeter

It is used to measure the rate of evaporation of water from a wet surface to the atmosphere

Nephometer

It tests the scattering of light by Aerosols.

Fluorimeter

Measure traces of Uranium in H₂O

Lucimeter

Used to measure Light Intensity.