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Alphabetical Listing
(400)
What are various instruments of measurement?
There are hundreds of instruments of measurement.

A
Absorption wavemeter
Accelerograph
Acoustic location
Acoustic rheometer
Actigraphy
Actinometer
Air core gauge
Air track
Airspeed indicator
Alcoholometer
Alidade
Almucantar
Altimeter
Ampere balance
Analyser
Anemometer
Angle gauge
Annubar
Askania
Atmometer
Atomic dielectric resonance
Optical attenuator
Auncel
Autocollimator
Automated analyser
Automated mineralogy
Auxanometer
Aviation transponder interrogation modes
AZUSA
B
Backstaff
Balancing machine
Barkometer
Battery indicator
Bettsometer
Bevameter
Bolometer
Bone exercise monitor
Bull's eye level
Butyrometer
C
Calo tester
Calorimeter
Cam plastometer
Capacitance meter
Capacitance probe
Capacitive displacement sensor
Carey Foster bridge
Cathetometer
Chemical field-effect transistor
Cheugugi
Chip log
CHN analyzer
Chorobates
Cinetheodolite
Clap-o-meter
Clarity meter
Class of accuracy in electrical measurements
Clifton nanolitre osmometer
Clocks
Cobas Mira
Cold-cranking simulator
Cole's quadrant
Constant fraction discriminator
Continuous scan laser Doppler vibrometry
Coordinate-measuring machine
Cover meter
Creep-testing machine
Creepmeter
Cross bow quadrant
Cryogenic particle detectors
Current clamp
Cyanometer
D
Daly detector
DART ion source
Dasymeter
Data logger
Davis quadrant
Dead band
Deadweight tester
Declinometer
Demi-cross
Densitometer
Dial (measurement)
Diffractometer
Digital storage oscilloscope
Dilatometer
Dioptra
Dipstick
Diptych
Disappearing filament pyrometer
Disdrometer
Distortion meter
Distortionmeter
Distributed temperature sensing
Dividing engine
DP cell
Drawdown card
Drosometer
Du Noüy ring method
Dual-energy X-ray absorptiometry
Dynameter
Dynamometer
E
E-meter
Electrical and electronic measuring equipment
Electrical conductivity meter
Electricity meter
Electrochemical gas sensor
Electromagnetic oscillograph
Electrometer
Electron capture detector
Electron multiplier
Electronic instrumentation
Electroscope
Electrostatic fieldmeter
Electrostatic separator
Electrostatic voltmeter
Elton's quadrant
Energy analyser
Energy-dispersive X-ray spectroscopy
Eudiometer
Electronics
Explosimeter
F
Fahrenheit hydrometer
Faraday cup
Farinograph
Field strength meter
Field-Map
Filar micrometer
Filter fluorometer
Flight instruments
Force gauge
Ford viscosity cup
Formazine
Frequency Changer
Foucault knife-edge test
Fourier transform ion cyclotron resonance
Frequency domain sensor
G
Gardon gauge
Gas chromatography
Gas collecting tube
Geiger–Müller tube
Glossmeter
Gonioreflectometer
Gouy balance
Gradiometer
Graduation (instrument)
Graphometer
Grid dip oscillator
Grindometer
H
Hand compass
Hedonometer
Hegman gauge
Heliometer
Home energy monitor
Hood's cross-staff
Hook gauge evaporimeter
Hubometer
Hydrometer
Hydroxyl tagging velocimetry
Hypsometer
I
Impedance cardiography
Inclinometer
Infrared gas analyzer
Infrared multiphoton dissociation
Inkometer
Instrument error
Integrating ADC
Ion drift meter
ISFET
ISFET electrode
ISFET pH electrode
K
Kam Controls
Kamal (navigation)
Karatmeter
Kelvin bridge
Kelvin–Varley divider
Kill A Watt
Koenig's manometric flame apparatus
Kofler bench
L
Lactometer
Langmuir probe
Laser beam profiler
Laser Doppler vibrometer
Laser surface velocimeter
Laser-based angle-resolved photoemission spectroscopy
LCR meter
Lensmeter
Levels
Level staff
Levelling rod
Lippmann electrometer
List of measuring devices
Logic probe
Lysimeter
M
Multimeter
Machmeter
Macrometer
Magnetic level gauge
Magnetic tweezers
Magnetometer
Mass Spectrometer
Marine sandglass
Mass flow controller
M
Mass interconnect
Mass spectrometry
Megohmmeter
Metal detector
Methanometer
Meters

Analogue display
Digital display
Voltmeters
Ammeters
Galvanometers
Ohmmeters
Multimeters
Microprobe
Microwave power meter
Huntly D. Millar
Millimeter wave scanner
Miniflex
Mirror galvanometer
Mixed-domain oscilloscope
Multimeter
Mural instrument
Murray loop bridge
N
Near-field scanner
Nephelometer
Network analyzer (electrical)
Russell C. Newhouse
Nilometer
Nonintrusive load monitoring
O
Octant (instrument)
Odometer
Ohmer fare register
Open Metering System
Operational instruments of the Royal Observer Corps
Optical dilatometer
Oscillating U-tube
Oscillograph
Oscilloscope
Oscilloscope history
Osmometer
Overflow can
Ozone monitor
P
Peak meter
Pedometer
Pelorus (instrument)
Penetrometer
Penning trap
Pensky–Martens closed-cup test
Permanent Downhole Gauge
Permeameter
PH meter
Phoropter
Photoionization detector
Photoplethysmograph
Piezometer
Pilot direction indicator
Pit sword
Pitometer log
Pitot tube
Plane table
Planimeter
Plastometer
Plethysmograph
Plough (instrument)
Plumb-bob
Plurimeter
Pulse oximeters
Position sensor
Potentiometer (measuring instrument)
Potometer
Pressure measurement
Profilograph
Programmable scale
Proton-transfer-reaction mass spectrometry
Psophometer
Pulse-Doppler radar
Pyranometer
Pyranoscope
Pyrheliometer
Pyrometer
Q
Q meter
QEMSCAN
Quadrant (instrument)
Quadrupole ion trap
Quartz thermometer
R
Radar
Radar altimeter
Radar gun
Radio-frequency sweep
Radio latino
Radiosonde
Reactimeter
Reflecting instrument
Reflection high-energy electron diffraction
Refractometer
Resistance thermometer
RFQ Beam Coolers
Rheochord
Rheometer
Robel pole
Roll hardness tester
* Rulers
Romer arm
S
Saccharimeter
Salinometer
Salt spray test
Scale test car
Scanning mobility particle sizer
Scanning SQUID microscope
Scanning SQUID microscopy
Sclerometer
Scleroscope
SCR-658 radar
Sector instrument
Full body scanner
Seismometer
Sensor
    Sensor
    Sensor
    List of sensors
Sequence of events recorder
SERF
Sextant (astronomical)
ShapeAccelArray
Sherborne Sensors
Ship log
Shock and vibration data logger
Sight glass
Signal analyzer
Skin conductance
Sky Quality Meter
Sonometer
Sound level meter
Spectrohelioscope
Spectrometer
Spectrum analyzer
Speedometer
SQUID
Stadia mark
S cont.
Stadiametric rangefinding
Stereoautograph
Stevenson screen
Strainmeter
String potentiometer
Stroboscope
SWR meter
Sysmex XE-2100
T
Time Instruments
* Thermometer
Tachograph
Tachometer
Tachymeter (survey)
Talyrond
Taximeter
TDS meter
Tell-tale
Temperature data logger
Tensometer
Test probe
Thermal conductivity detector
Thermal mass flow meter
Thermocouple
Thin-film thickness monitor
Time stretch analog-to-digital converter
Time to digital converter
Torque tester
Transversal (instrument making)
Tribometer
Trip computer
Truck Scales (Public Scale Locator)
    In-ground scale
    On-board scales
True RMS converter
Trundle wheel
Turndown ratio
Turner-sclerometer
Twist compression tester
U
Ubbelohde viscometer
Ultrasonic flow meter
Ultrasonic ranging module
Universal Metering Interface
Universal testing machine
USB-6008
V
Variable area meter
Variometer
Vector signal analyzer
Vectorscope
Versatile Laboratory Aid
Versorium
Vertometer
Vibrating sample magnetometer
Vibration galvanometer
Virtual instrumentation
Viscometer
Voltameter
Voltmeter
VU meter
W
Water detector
Watercut meter
Watt balance
Wattmeter
Wheatstone bridge
White light scanner
Z
Zahn cup
Alphabetical Listing
Here are further guidelines.
Metrology
    What is Metrology?
    What does it mean to take a measurement?

    Here are further guidelines.
Metric and Customary Units.
Measuring instruments (distance)
Measuring instruments (light)
Measuring instruments (speed)
Measuring instruments (density)
Measuring instruments (clouds)
Measuring instruments (temperature)
Measuring instruments (engineering)
Measuring instruments (pressure)
Measuring instruments (sunshine)
Measuring instruments (humidity)
Measuring instruments (precipitation)
Measuring instruments (surface tension)
Measuring instruments (viscosity)
Measuring instruments (wind)
Metal detectors
Measuring instruments (torque)
Measuring instruments (air pollution)
Measuring instruments (dimension)
Blood Pressure
Chemistry
Engineering
Flow
Frequency
General
Metrics
Radiation
River-level
Traffic
Test & Measuring Instruments
Category:Measuring instruments

    Here are further guidelines.

    Here are further guidelines.

Time measurement device.

Atomic clock
Calendar (by counting days)
Chronograph
Clock
Egg timer
Wall clock
Hourglass
Pendulum clock
Radio clock
Radiometric dating
Stopwatch
Sundial
Transit telescope
Water clock

Power (flux of energy)

(see any measurement device for power below)

Action

A phototube

Mechanics

Length(distance) Measuring Instruments

Altimeter, height
Architect's scale
Caliper
Electronic distance meter
Engineer's scale
Frequency comb
Gauge blocks
GPS, indirect by runtime measurement of electromagnetic waves in the GHz-range
Interferometer
Laser rangefinder, indirect by runtime measurement of coherent electromagnetic waves around the visible light region (lidar)
Metric scale
Micrometer
Odometer
Opisometer
Feeler gauge, used in metal working to measure size of gaps Radar antenna, indirect by runtime measurement of electromagnetic waves around the microwave region (radar)
Rangefinder
Ruler
Surveyor's wheel
Tachymeter
Tape measure
Taximeter, measure usually includes a time component as well
Travelling microscope
Ultrasound distance measure, indirect by runtime measurement of sound waves (sonar, Echo sounding)
Urethra gauge, cylindrical circumferencial measurement device.
Area

Planimeter
Volume

buoyant weight (solids)
overflow trough (solids)
Measuring cup (grained solids, liquids)
Flow measurement devices (liquids)
Graduated cylinder (liquids)
Pipette (liquids)
Eudiometer, pneumatic trough (gases)
Mass- or volume flow measurement

Gas meter
Mass flow meter
Metering pump
Water meter

Speed (flux of length)
Airspeed indicator
Radar gun, a Doppler radar device, using the Doppler effect for indirect measurement of velocity.
Speedometer
Tachometer (speed of rotation)
Tachymeter
Variometer

Acceleration

Accelerometer

Mass

Balance
Automatic checkweighing machines
Katharometer
Weighing scales
Inertial balance
Mass spectrometers measure the mass-to-charge ratio, not the mass

Linear momentum

Ballistic pendulum

Force (flux of linear momentum)

Force gauge
Spring scale
Strain gauge
Torsion balance
Tribometer
Pressure (flux density of linear momentum

Anemometer (used to determine wind speed)
Barometer used to measure the atmospheric pressure.
Manometer see pressure measurement
Pitot tube (used to determine speed)
Tire-pressure gauge in industry and mobility

AngleCircumferentor
Cross staff
Goniometer
Graphometer
Protractor
Quadrant
Reflecting instruments
Octant
Reflecting circles
Sextant
Theodolite
Angular velocity or rotations per time unit

Stroboscope
Tachometer

Torque

Dynamometer
De Prony Brake
Torque Wrench

Level

Dumpy level
Laser line level
Spirit level

Direction

Gyroscope

Energy carried by mechanical quantities, mechanical work

Ballistic pendulum, indirectly by calculation and or gauging

Electricity, electronics and electrical engineering

Electric charge

Electrometer is often used to reconfirm the phenomenon of contact electricity leading to triboelectric sequences.
Torsion balance used by Coulomb to establish a relation between charges and force, see above.

Electric current (current of charge)

Ammeter
Clamp meter
Galvanometer

Voltage (electric potential difference)

Oscilloscope allows to quantify time depended voltages
Voltmeter

Electric resistance, electrical conductance (and electrical conductivity)Ohmmeter
Time-domain reflectometer characterizes and locates faults in metallic cables by runtime measurements of electric signals.
Wheatstone bridge
Electric capacitanceCapacitance meter
Electric inductanceInductance meter
Energy carried by electricity or electric energyElectric energy meter
Electricity meter
Power carried by electricity (current of energy)Wattmeter

Electric field (negative gradient of electric potential, voltage per length)Field mill

Magnetic field

Compass
Hall effect sensor
Magnetometer
Proton magnetometer
SQUID

Combination instruments

Multimeter, combines the functions of ammeter, voltmeter and ohmmeter as a minimum.
LCR meter,

Thermodynamics

Temperature

Amount of substance (or mole number)

Gas collecting tube gases

Electromagnetic spectroscopy

Galileo thermometer
Gas thermometer principle: relation between temperature and volume or pressure of a gas (Gas laws).
constant pressure gas thermometer
constant volume gas thermometer
Liquid crystal thermometer
liquid thermometer principle: relation between temperature and volume of a liquid (Coefficient of thermal expansion).
Alcohol thermometer
Mercury-in-glass thermometer
Pyranometer
Pyrometers
Resistance thermometer
solid thermometer
Thermistors
Thermocouples
Thermometer
Thermopile
Triple Point cell

Imaging technology

Thermographic camera

Energy carried by entropy or thermal energy

Actinometer

constant-temperature calorimeter,
constant-volume calorimeter
constant-pressure calorimeter
Differential Scanning Calorimeter
Reaction calorimeter

Entropy

constant-temperature calorimeter
Heat flux sensor

constant-pressure calorimeter, enthalpy-meter, active
constant-temperature calorimeter,

Entropy production

calorimeter

Coefficient of thermal expansion

Dilatometer
Strain gauge

Melting temperature (of a solid)Thiele tube
Kofler bench
Differential Scanning Calorimeter gives melting point and enthalpy of fusion.

Boiling temperature (of a liquid)

Ebullioscope

Density

Aerometer liquids
Dasymeter gases
Gas collecting tube gases
Hydrometer liquids
Pycnometer liquids
resonant frequency and Damping Analyser (RFDA) solids

Hardness of a solid

Durometer

Shape and surface of a solidHolographic interferometer
Laser produced speckle pattern analysed.
resonant frequency and Damping Analyser (RFDA)
Tribometer

Deformation of condensed matter

Strain gauge all below

Elasticity of a solid (elastic moduli)resonant frequency and Damping Analyser (RFDA),

Plasticity of a solid

Cam plastometer
Plastometer

Tensile strength, ductility or malleability of a solid

Universal Testing Machine

Granularity of a solid or of a suspension

Grindometer

Viscosity of a fluidRheometer
Viscometer

Optical activity

Polarimeter

Surface tension of liquids

Tensiometer

Imaging technology

Tomograph

Wind tunnel

Permittivity, relative static permittivity, (dielectric constant) or electric susceptibility

Capacitor

Magnetic susceptibility or magnetization

Gouy balance

Substance potential or chemical potential or molar

Gibbs energy

Redox electrode

Sub-microstructural properties of condensed matter, gas

Infrared spectroscopy
Neutron detector
Radio frequency spectrometers for Nuclear magnetic resonance and for Electron paramagnetic resonance
Raman spectroscopy

Crystal structureAn

X-ray tube

Imaging technology, MicroscopeElectron microscope
Transmission electron microscope
Optical microscope uses reflectiveness or refractiveness of light to produce an image.
Scanning acoustic microscope
Scanning probe microscope
Atomic force microscope (AFM)
Scanning electron microscope
Scanning tunneling microscope (STM)
Focus variation
X-ray microscope

Rays ("waves" and "particles")

Sound, compression waves in matter

Laser microphone
Seismometer

Sound pressuremicrophone or hydrophone properly gauged
Shock tube
Sound level meter

Light and radiation without a rest mass, non-ionizingAntenna (radio) bolometer

electromagnetic radiation.
camera
EMF meter
Interferometer used in the wide field of Interferometry
Optical power meter
Microwave power meter
Photographic plate
Photomultiplier
Phototube
Radio telescope
Spectrometer
T-ray detectors

Photon polarizationPolarizer

Pressure (current density of linear momentum)Nichols radiometer

Integrating sphere

Radiation with a rest mass, particle radiation

Cathode rayCrookes tube
Cathode ray tube, a phosphor coated anode

Atom polarization and electron polarizationStern-Gerlach experiment

Ionizing radiation

Particle and ray fluxBubble chamber
Cloud chamber

Dosimeter, a technical device realizes different working principles. Geiger counter
Microchannel plate detector
Photographic plate
Photostimulable phosphors
Scintillation counter, Lucas cell
Semiconductor detector
proportional counter
ionisation chamber

Identification and content

Substance content in mixtures, substance identificationCarbon dioxide sensor
chromatographic device, gas chromatograph separates mixtures of substances. Different velocites of the substance types accomplish the separation.
Colorimeter (measures absorbance, and thus concentration) gas detector
Gas detector in combination with mass spectrometer,
mass spectrometer identifies the chemical composition of a sample on the basis of the mass-to-charge ratio of charged particles. Nephelometer or turbidimeter
oxygen sensor (= lambda sond)
Refractometer, indirectly by determining the refractive index of a substance.
Smoke detector
Ultracentrifuge, separates mixtures of substances. In a force field of a centrifuge, substances of different densities separate.

pH: Concentration of protons in a solutionpH meter
Saturated calomel electrode

Humidity

Hygrometer measures the density of water in air
Lysimeter measures the balance of water in soil

Human senses and human body

Sight

Luminous flux, photometry

Integrating sphere for measuring the total luminuos flux of a light source

Illuminance, photometry

Densitometer
Light meter
Lux meter
Photometer

Hearing

Loudness in phon

Headphone, loudspeaker, sound pressure gauge, for measuring an equal-loudness contour of a human ear.
Sound level meter calibrated to an equal-loudness contour of the human auditory system behind the human ear.

Smell

Olfactometer, see also the article about olfaction.

Temperature (sense and body)

Body temperature or core temperatureMedical thermometer, see also infrared thermometer

Circulatory system (mainly heart and blood vessels for distributing substances fast)Blood-related parameters are listed in a blood test.

Electrocardiograph records the electrical activity of the heart
Glucose meter for obtaining the status of blood sugar.
Sphygmomanometer, a blood pressure meter used to determine blood pressure in medicine. See also Category:Blood tests

Respiratory system (lung and airways controlling the breathing process)

Spirometer

Concentration or partial pressure of carbon dioxide in the respiratory gasesCapnograph

Nervous system (nerves transmitting and processing information electrically)Electroencephalograph records the electrical activity of the brain

Musculoskeletal system (muscles and bones for movement)

power, work of musclesErgometer

metabolic systemBody fat meter

Medical imaging

Computed tomography

Magnetic resonance imaging

Medical ultrasonography

Radiology

Tomograph, device and method for non-destructive analysis of multiple measurements done on a geometric object, for producing 2- or 3-dimensional images, representing the inner structure of that geometric object.

Meteorology

Navigation and surveying

Astronomy

Radio antenna

Telescope

Uncategorized, specialized, or generalized application

Checkweigher

Densitometer

Force platform

Gauge (engineering)

Gradiometer

Parking meter

Postage meter

S meter

Sensor, hypernym for devices that measure with little interaction, typically used in technical applications.

Spectroscope is an important tool used by physicists.

SWR meter check the quality of the match between the antenna and the transmission line.

Time-domain reflectometer locates faults in metallic cables. Universal measuring machine measures geometric locations for inspecting tolerances.
List of measuring devices
Spectrometer (Mass spectrometry)