06 Apr

List of measuring devices(Imp. for SSC, IBPS exams)


Device Quantity measured
accelerometer physical, accelerations
actinometer heating power of sunlight
alcoholmeter alcoholic strength of liquids
altimeter altitude
ammeter electric current
anemometer windspeed
audiometer hearing
barkometer tanning liquors used in tanning leather
barometer air pressure
bettsometer integrity of fabric coverings on aircraft
bevameter mechanical properties of soil
bolometer electromagnetic radiation
breathalyzer breath alcohol content
caliper distance
calorimeter heat of chemical reactions
cathetometer vertical distances
ceilometer height of a cloud base
chronometer or clock time
clap-o-meter volume of applause
colorimeter colour
creepmeter slow surface displacement of an active geologic fault in the earth
declinometer magnetic declination
densimeter specific gravity of liquids
densitometer degree of darkness in photographic or semitransparent material
diffractometer structure of crystals
dilatometer volume changes caused by a physical or chemical process
disdrometer size, speed, and velocity of raindrops
dosimeter exposure to hazards, especially radiation
dumpy level horizontal levels
dynamometer force,torque or power
elaeometer specific gravity of oils
electricity meter electrical energy used
electrometer electric charge
electronic tuner pitch of musical notes
ellipsometer refractive index, dielectric function, thickness of thin films
eudiometer change in volume of a gas mixture following combustion
evaporimeter rate of evaporation
fathometer ocean depth
framing square right angles in construction
fuel gauge fuel level
galvanometer electricity
gas pycnometer volume and density of solids
graphometer angles
heliometer variation of the sun’s diameter
hydrometer specific gravity of liquids (density of liquids)
hygrometer humidity
inclinometer angle of a slope
inkometer ink
interferometer wave interference
katharometer composition of gases
lactometer specific gravity of milk
light meter light (in photography)
load cell measurement of force
lux meter intensity of light
magnetometer strength of magnetic fields
manometer pressure of gas
mass flow meter mass flow rate of a fluid travelling through a tube
mass spectrometer masses of ions, used to identify chemical substances through their mass spectra
measuring cup liquid and dry goods
micrometer small distances
multimeter electrical potential, resistance, and current
nephelometer particle in a liquid
odometer distance travelled
ohmmeter electrical resistance
orchidometer testicle size in male humans
oscilloscope oscillations
osmometer osmotic strength of a solution, colloid, or compound
pedometer steps
pH meter pH (chemical acidity/basicity of a solution)
photometer illuminance or irradiance
polarimeter rotation of polarized light
potentiometer voltage (term is also used to refer to a variable resistor)
profilometer surface roughness
protractor angles
psychrometer humidity
pycnometer fluid density
pyranometer solar radiation
pyrheliometer direct solar insolation
pyrometer high temperatures
quadrat percentage cover of a certain species
quartz crystal microbalance thickness of deposited thin films
radiometer radiant flux of electromagnetic radiation
refractometer sugar concentration of sap and syrup
rheometer response to applied forces
rotameter pressure of a liquid or gas in a closed tube
saccharometer amount of sugar in a solution
seismometer seismic waves (for example, earthquakes)
sextant location on earth’s surface (used in naval navigation)
spectrometer properties of light
spectrophotometer intensity of light as a function of wavelength
speedometer speed, velocity of a vehicle
spherometer radius of a sphere
sphygmomanometer blood pressure
stadimeter object range
strainmeter seismic strain
SWR meter standing wave ratio
tacheometer distance
tachometer revolutions per minute, rate of blood flow, speed of aeroplanes
taximeter distance travelled, displacement
tensiometer surface tension of a liquid
theodolite measuring angles in the horizontal and vertical planes
thermometer temperature
tintometer colour
universal measuring machine geometric locations
UV meter ultraviolet light
vacuum gauge very low pressure
viscometer viscosity of a fluid
voltmeter electric potential, voltage
VU meter volume unit
wattmeter electrical power
weighing scale weight
wind vane wind direction
zymometer fermentation

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