Knowledge (XXG)

List of measuring instruments

Source šŸ“

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Some instruments, such as telescopes and sea navigation instruments, have had military applications for many centuries. However, the role of instruments in military affairs rose exponentially with the development of technology via applied science, which began in the mid-19th century and has continued
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Concerning a given sample, a proportionality factor relating temperature change and energy carried by heat. If the sample is a gas, then this coefficient depends significantly on being measured at constant volume or at constant pressure. (The terminology preference in the heading indicates that the
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of electromagnetic waves. The combination R-G-B = HH-HV-VV combines radar images of waves sent and received horizontally (HH), sent horizontally and received vertically (HV) and sent and received vertically (VV). The calibration of such instruments is done by imaging objects (calibration targets)
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of imaged objects at wavelengths which are too long to be perceived by the human eye. Black pixels mean no reflectivity (e.g. water surfaces), white pixels mean high reflectivity (e.g. urban areas). Colored pixels can be obtained by combining three gray-scaled images which usually interpret the
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Phase change calorimeter's energy value divided by absolute temperature give the entropy exchanged. Phase changes produce no entropy and therefore offer themselves as an entropy measurement concept. Thus entropy values occur indirectly by processing energy measurements at defined temperatures,
1786:, ... Calorimeters are called passive if gauged to measure emerging energy carried by entropy, for example from chemical reactions. Calorimeters are called active or heated if they heat the sample, or reformulated: if they are gauged to fill the sample with a defined amount of entropy. 1150:. And electricity has a substance-like property, the electric charge. Energy (or power) in elementary electrodynamics is calculated by multiplying the potential by the amount of charge (or current) found at that potential: potential times charge (or current). (See 935: 2614:
For standard conditions in chemical reactions either molar entropy content and molar Gibbs energy with respect to some chosen zero point are tabulated. Or molar entropy content and molar enthalpy with respect to some chosen zero are tabulated. (See
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Energy balances that include entropy consist of two parts: A balance that accounts for the changed entropy content of the substances, and another one that accounts for the energy freed or taken by that reaction itself, the
1522:.) If specific molar values are given, then the amount of substance of a given sample may be determined by measuring volume, mass, or concentration. See also the subsection below about the measurement of the boiling point. 3967:, 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. 2433:, 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. 1896:
The given sample is cooled down to (almost) absolute zero (for example by submerging the sample in liquid helium). At absolute zero temperature any sample is assumed to contain no entropy (see
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detects infrared energy (heat)converts it into an electronic signal, which is then processed to produce a thermal image on a video monitor and perform temperature calculations.
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for further information). Then the following two active calorimeter types can be used to fill the sample with entropy until the desired temperature has been reached: (see also
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which define the instrument's use, are the means by which these relations of numbers are obtained. All measuring instruments are subject to varying degrees of
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principle: relation between temperature and electrical resistance of ceramics or polymers, range: from about 0.01 to 2,000 kelvins (āˆ’273.14 to 1,700 Ā°C)
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Processes transferring energy from a non-thermal carrier to heat as a carrier do produce entropy (Example: mechanical/electrical friction, established by
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Energy in thermodynamics is calculated by multiplying the thermal potential by the amount of entropy found at that potential: temperature times entropy.
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measures energy indirectly by recording the volume of gas used. This figure can then be converted to a measure of energy by multiplying it by the
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through the present day. Military instruments as a class draw on most of the categories of instrument described throughout this article, such as
284: 2004:) describing the sample. Usually calculated from measurements by a division or could be measured directly using a unit amount of that sample. 1618:), i.e. the color of the light relates to the temperature of its source, range: from about āˆ’50 Ā°C to +4000 Ā°C, note: measurement of 2616: 3580:. It can be either a lux meter (incident-light meter) or a luminance meter (reflected-light meter), and is calibrated in photographic units. 5613: 3306: 1941:
Entropy lowering its temperatureā€”without losing energyā€”produces entropy (Example: Heat conduction in an isolated rod; "thermal friction").
1423: 571: 4044: 3540: 1930:). Either the produced entropy or heat are measured (calorimetry) or the transferred energy of the non-thermal carrier may be measured. 2583:
have an overall energy balance. Especially at constant pressure and constant temperature, molar energy balances define the notion of a
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a device for measuring the boiling point of a liquid. This device is also part of a method that uses the effect of
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in general, sometimes their sensitivity is increased by the reflection- and concentration principle realized in
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identifies the chemical composition of a sample on the basis of the mass-to-charge ratio of charged particles.
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transfer enough energy in non-thermal, (single-) collision processes to separate electron(s) from an atom.
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change. The sum of reaction energy and energy associated to the change of entropy content is also called
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separates mixtures of substances. Different velocities of the substance types accomplish the separation.
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or any other calorimeter observing a phase change or using a gauged phase change for heat measurement.
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Measurement results (a) brittle (b) ductile with breaking point (c) ductile without breaking point.
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measures precise weight of items in a conveyor line, rejecting underweight or overweight objects.
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Other values may be determined indirectly by calorimetry. Also by analyzing phase-diagrams.
2634: 2595:, which gives the energetic information about whether the process is possible or not - in a 2564: 2455: 2396: 2335: 2134: 2091: 1868: 1731: 1661: 1443:, combines the functions of ohmmeter, capacitance meter, and inductance meter. Also called 1348: 1325: 858: 674: 602: 525: 519: 410: 396: 217: 170: 130: 4172:
for devices that measure with little interaction, typically used in technical applications.
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other instruments of the same kind. Often found in conjunction with defining or applying
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principle: relation between temperature and electrical resistance of metals (platinum) (
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Ionizing radiation includes rays of "particles" as well as rays of "waves". Especially
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provides a voltage measurement which permits the calculation of the quantized action (
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for measuring the degree to which a photographic material reflects or transmits light
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For the value-ranges of angular velocity see: Orders of magnitude (angular velocity)
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Photometry is the measurement of light in terms of its perceived brightness to the
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This section and the following sections include instruments from the wide field of
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If the mass density of a solid is known, weighing allows to calculate the volume.
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that exchanges energy may be described by the amount of energy exchanged per time-
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masses of ions, used to identify chemical substances through their mass spectra
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and Professor Aronnax contemplating thermometers, barometers, clocks, etc. in
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A spirometer, inhaling into pipe a fills volume b, the rest balances forces.
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to detect them. This constellation forms the scattering instrument used by
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The temperature coefficient of energy divided by a substance-like quantity (
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measures time a vehicle is parked at a particular spot, usually with a fee.
2889: 1630:) means: no physical contact becomes necessary in temperature measurement ( 5750: 1437:, combines the functions of ammeter, voltmeter, and ohmmeter as a minimum. 1161: 317:
Energy is measured by an energy meter. Examples of energy meters include:
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osmotic strength of a solution, colloid, or compound matter of an object
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a spoon used to measure an amount of an ingredient, either liquid or dry
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principle: relation between temperature and volume or pressure of a gas (
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collects moneys for vehicle parking rights in a zone for a limited time
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which considers solids, liquids, and in-betweens exhibiting for example
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principle: relation between temperature and voltage of metal junctions (
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principle: solar radiation flux density relates to surface temperature (
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or transparent material or light reflection from a reflective material.
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The electrochemical cell: A device for measuring substance potentials.
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classical use of heat bars it from having substance-like properties.)
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Action describes energy summed up over the time a process lasts (time
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measures and records animal activity within an experimental chamber.
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slow surface displacement of an active geologic fault in the Earth
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uses reflectiveness or refractiveness of light to produce an image.
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is accessible indirectly by measurement of energy and temperature.
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principle: temperature dependence of spectral intensity of light (
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is widely used in the development of modern measuring instruments.
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revolutions per minute, rate of blood flow, speed of aeroplanes
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principle: relation between temperature and volume of a liquid (
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refractive index, dielectric function, thickness of thin films
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degree of darkness in photographic or semitransparent material
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of fluids and compact(ed) solids like crystals, in contrast to
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principle: relation between temperature and length of a solid (
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exposure to hazards, especially radiation; radiation of item
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of a light source, which can then be measured by a photometer
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voltage (term is also used to refer to a variable resistor)
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Timeline of temperature and pressure measurement technology
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measuring the energy of incident electromagnetic radiation.
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Timeline of temperature and pressure measurement technology
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for quantifying colors and calibrating an imaging workflow
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volume changes caused by a physical or chemical process
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A highly precise measurement instrument, also usable to
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Entropy can be created by friction but not annihilated.
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Energy carried by mechanical quantities, mechanical work
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location on Earth's surface (used in naval navigation)
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change in volume of a gas mixture following combustion
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For other methods see the section in the article about
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See also the relevant section in the article about the
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characterizes and locates faults in metallic cables by
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to establish a relation between charges and force, see
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Uncategorized, specialized, or generalized application
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for measuring the total radiant flux of a light source
238:. Today, the usual measuring instruments for time are 159:. Established standard objects and events are used as 3991:
Category:Meteorological instrumentation and equipment
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transmitting and processing information electrically)
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lack a distinct pattern and are identifiable thereby.
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List of electrical and electronic measuring equipment
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mass flow rate of a fluid travelling through a tube
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Electricity, electronics, and electrical engineering
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Covariant formulation of classical electromagnetism
3939:processed into a three dimensional representation. 3307:Gas detector in combination with mass spectrometer 1681:), range: from about āˆ’200 Ā°C to +1350 Ā°C 4778:specific gravity of liquids (density of liquids) 4132:any device that measures spatial variations of a 3519:quantities by weighting the contribution of each 3049:The measure of the total power of light emitted. 2734:for investigating crystal structures of samples. 2499:Such measurements also allow to access values of 2007:For the ranges of specific heat capacities see: 1332:Energy carried by electricity or electric energy 5351:intensity of light as a function of wavelength 3515:. Photometric quantities derive from analogous 2533:Category:Electric and magnetic fields in matter 2109:This includes mostly instruments which measure 4998:electrical potential, resistance, and current 4728:ionizing radiation (alpha, beta, gamma, etc.) 4098:measures light transmission through processed 262:are also used to measure time in some sports. 95:A measuring instrument for lengths: a typical 5481:angle, in the horizontal and vertical planes 5291:pressure of a liquid or gas in a closed tube 5008:to measure the speed and direction of clouds 4152:measures postage used from a prepaid account. 1182:is often used to reconfirm the phenomenon of 1165:An instrument for detecting net charges, the 654:See also the section about navigation below. 504:, a common instrument used to measure volume. 250:. For highly accurate measurement of time an 8: 4202:measures geometric locations for inspecting 4158:measures the signal strength processed by a 3876:records the electrical activity of the brain 3779:records the electrical activity of the heart 2009:Orders of magnitude (specific heat capacity) 379:(see any measurement device for power below) 4188:check the quality of the match between the 3795:, a blood pressure meter used to determine 3560:, i.e. incident luminous flux per unit area 1902:Thermodynamic databases for pure substances 1815:, enthalpy-meter, or coffee cup calorimeter 1028:Angular velocity or rotations per time unit 147:is the activity of obtaining and comparing 5261:radiant flux of electromagnetic radiation 5111:(chemical acidity/basicity of a solution) 4316:integrity of fabric coverings on aircraft 4276:latitude and altitude of celestial bodies 1799:, phase change calorimeter for example an 1741:For the ranges of temperature-values see: 1370:of electric potential, voltage per length) 1257:allows quantifying time-dependent voltages 1084:, indirectly by calculation and or gauging 959:Pressure (flux density of linear momentum) 5321:seismic waves (for example, earthquakes) 3768:Blood-related parameters are listed in a 3461:Learn how and when to remove this message 1770:lacking a temperature measurement device. 1146:. Electricity can be given a quality ā€” a 79:Learn how and when to remove this message 4296:tanning liquors used in tanning leather 4214: 714:This includes basic quantities found in 90: 27:Device for measuring a physical quantity 5664:Category:Instrument-making corporations 4532:size, speed, and velocity of raindrops 2292:Resonant frequency and damping analyser 2247:Resonant frequency and damping analyser 2194:Resonant frequency and damping analyser 2113:properties of matter: In the fields of 1730:. More technically related may be seen 1015:For the ranges of pressure-values see: 5231:percentage cover of a certain species 3629:instruments measure radar brightness, 2204:For the ranges of density-values see: 1778:or temperature coefficient of energy, 1422:For the ranges of magnetic field see: 650:Orientation in three-dimensional space 285:Twenty Thousand Leagues Under the Seas 3155:A cloud chamber detecting alpha-rays. 2893:A device for unmixing sun-light: the 2617:Standard enthalpy change of formation 1472:And a substance-like property, ā€” the 1208:For the ranges of charge values see: 875:, not the mass, of ionised particles. 779:for indirect measurement of velocity. 559:For the ranges of volume-values see: 467:For the ranges of length-values see: 56:remove wikilinks from section titles. 7: 5614:Outline of metrology and measurement 1424:Orders of magnitude (magnetic field) 1215:Electric current (current of charge) 1138:. Electrical charges interact via a 811:For the ranges of speed-values see: 383:For the ranges of power-values see: 4440:electrostatic charge of a material 4045:Category:Astronomical observatories 884:For the ranges of mass-values see: 485:For the ranges of area-values see: 282:'s 1869-1870 science fiction novel 5241:thickness of deposited thin films 5048:lengths of arbitrary curved lines 3977:Category:Medical testing equipment 3973:Category:Physiological instruments 3818:controlling the breathing process) 3256:List of materials analysis methods 2834:Sound, compression waves in matter 2815:List of materials analysis methods 1917:, phase change calorimeter, active 1701:used for calibrating thermometers. 1498:A physical quantity introduced in 1111:: the 64-meter radio telescope at 938:Measuring absolute pressure in an 753:Speed or velocity (flux of length) 274:Measuring instruments in fiction: 25: 5461:distance travelled, displacement 4552:amount of drum strokes over time 3764:for distributing substances fast) 3647:whose radar brightness is known. 3252:List of chemical analysis methods 2042:Differential Scanning Calorimeter 1982:temperature coefficient of energy 1951:Temperature coefficient of energy 1819:Differential Scanning Calorimeter 1743:Orders of magnitude (temperature) 1563:Constant pressure gas thermometer 1047:For the ranges of frequency see: 5749: 5648: 5634: 5620: 4758:variation of the Sun's diameter 3884:(muscles and bones for movement) 3416: 3333:, indirectly by determining the 2762:Transmission electron microscope 2015:Coefficient of thermal expansion 1915:Constant-temperature calorimeter 1863:Constant-temperature calorimeter 1797:Constant-temperature calorimeter 1718:for detection of heat radiation. 1656:coefficient of thermal expansion 1584:coefficient of thermal expansion 726:Mass- or volume flow measurement 462:Length, distance, or range meter 34: 5680:History of weights and measures 4658:forward looking infrared (FLIR) 4562:horizontal levels, polar angle 4057: 4009:Category:Navigational equipment 2696:electron paramagnetic resonance 2454:More on electric properties of 1568:Constant volume gas thermometer 1049:Orders of magnitude (frequency) 903:Force (flux of linear momentum) 807:(measurement of fluid velocity) 440:Geometric measuring instruments 5311:amount of sugar in a solution 4326:mechanical properties of soil 4061: 3627:Synthetic Aperture Radar (SAR) 3205:Photostimulable phosphor plate 2913:Light and radiation without a 2125:behavior; and furthermore, in 1809:, also called bomb calorimeter 1017:Orders of magnitude (pressure) 1: 5361:speed, velocity of a vehicle 5058:testicle size in male humans 4718:volume and density of solids 4672:right angles in construction 4236:alcoholic strength of liquid 3633:, which is a function of the 3125:Another visualization of the 2791:Scanning tunneling microscope 2626:The substance potential of a 2567:transmuting substances, from 2206:Orders of magnitude (density) 1973:Constant-pressure calorimeter 1909:Constant-pressure calorimeter 1813:Constant-pressure calorimeter 295:Fun measuring instruments: a 232:measuring instrument was the 5551:electric potential, voltage 5471:surface tension of a liquid 5141:rotation of polarized light 4898:strength of magnetic fields 4492:specific gravity of liquids 3785:for obtaining the status of 3726:Temperature (sense and body) 3576:, an instrument used to set 3438:non-standard section titles. 3397:the balance of water in soil 2775:Scanning acoustic microscope 2757:Scanning electron microscope 2555:conversions like changes of 2479:relative static permittivity 2300:impulse excitation technique 2226:Shape and surface of a solid 2159:of grainy or porous solids. 1595:Mercury-in-glass thermometer 1543:Electromagnetic spectroscopy 1210:Orders of magnitude (charge) 704:Coordinate-measuring machine 561:Orders of magnitude (volume) 469:Orders of magnitude (length) 329:measures energy directly in 5695:List of physical quantities 5517:universal measuring machine 5501:minor changes to the Earth 5281:response to applied forces 5237:quartz crystal microbalance 4376:heat of chemical reactions 4200:Universal measuring machine 3436:. The specific problem is: 3371:Saturated calomel electrode 3195:Microchannel plate detector 1967:Constant-volume calorimeter 1898:Third law of thermodynamics 1858:without producing entropy. 1807:Constant-volume calorimeter 1793:heating power of radiation. 1107:A measuring instrument for 940:accelerated reference frame 813:Orders of magnitude (speed) 572:Angle measuring instruments 385:Orders of magnitude (power) 212:, a time measurement device 54:. The specific problem is: 5798: 5611: 5431:reflectivity and moisture 5121:illuminance or irradiance 4864:linear position transducer 4336:electromagnetic radiation 4136:. For example, as done in 3950:Magnetic resonance imaging 3432:to meet Knowledge (XXG)'s 3269:, substance identification 3230:Identification and content 2949:used in the wide field of 2692:nuclear magnetic resonance 2653: 2444:Category:Materials science 2232:Holographic interferometer 1865:, phase change calorimeter 1575:Liquid crystal thermometer 1152:Classical electromagnetism 1126:Considerations related to 1092: 1020: 886:Orders of magnitude (mass) 801:(rate of climb or descent) 661: 569: 487:Orders of magnitude (area) 448: 437: 409:is the same as that of an 394: 356: 310: 221: 215: 50:to meet Knowledge (XXG)'s 5690:List of measuring devices 4848:specific gravity of milk 4738:blood glucose (diabetes) 3631:Radar Cross Section (RCS) 3588:for collecting the total 3099:, a phosphor-coated anode 2780:Scanning probe microscope 2352:Universal testing machine 1288:Time-domain reflectometer 540:(grained solids, liquids) 305:Framingham, Massachusetts 18:List of measuring devices 5731:The alternate spelling " 5427:Synthetic Aperture Radar 5211:direct solar insolation 4572:force, torque, or power 4041:Astronomical instruments 3849:in the respiratory gases 3678:gauge, for measuring an 3360:of protons in a solution 3127:electromagnetic spectrum 3116:Sternā€“Gerlach experiment 3005:Category:Optical devices 2907:electromagnetic spectrum 2119:condensed matter physics 2044:gives melting point and 1911:, enthalpy-meter, active 1347:carried by electricity ( 1011:in industry and mobility 4858:light (in photography) 4602:pitch of musical notes 4582:electrical energy used 4396:height of a cloud base 4356:breath alcohol content 4160:communications receiver 3955:Medical ultrasonography 3612:Tristimulus colorimeter 3486:Gallerie dell'Accademia 2785:Atomic force microscope 2526:magnetic susceptibility 2508:Magnetic susceptibility 2487:electric susceptibility 2137:, and in-betweens like 2076:boiling point elevation 1724:Temperature measurement 1429:Combination instruments 1276:electrical conductivity 1231:d'Arsonval galvanometer 1188:triboelectric sequences 1095:Electrical measurements 451:Dimensional instruments 425:) of light. (See also 371:, also called power or 301:strength tester machine 195:Virtual instrumentation 175:measurement uncertainty 5675:History of measurement 5038:electrical resistance 4968:electrical insulation 4768:elapsed machine hours 4512:structure of crystals 3940: 3882:Musculoskeletal system 3827: 3799:in medicine. See also 3694:equal-loudness contour 3680:equal-loudness contour 3578:photographic exposures 3527:that models the eye's 3493: 3280:chromatographic device 3224:Semiconductor detector 3156: 3130: 3065: 2909: 2898: 2633:is usually determined 2621:Standard molar entropy 2470: 2331: 1986:specific heat capacity 1771: 1692:is a set of connected 1642:Resistance thermometer 1451:method of measurement. 1272:electrical conductance 1170: 1123: 955: 843: 618:Reflecting instruments 505: 353:Power (flux of energy) 308: 288: 228:In the past, a common 213: 112: 5782:Science-related lists 5772:Measuring instruments 5756:Measuring instruments 5541:viscosity of a fluid 5301:for measuring length 5018:particle in a liquid 4978:Atmospheric pressure 4938:liquid and dry goods 4878:measurement of force 4838:composition of gases 4110:ground reaction force 4017:Surveying instruments 3934: 3874:Electroencephalograph 3825: 3476: 3275:Carbon dioxide sensor 3215:Scintillation counter 3154: 3124: 3109:electron polarization 3063: 2956:Microwave power meter 2904: 2892: 2732:X-ray crystallography 2678:Infrared spectroscopy 2468: 2329: 1875:(which are connected 1765: 1728:Category:Thermometers 1646:electrical resistance 1514:, masses measured by 1164: 1106: 942:: The principle of a 937: 837: 499: 294: 273: 222:Further information: 208: 191:particle accelerators 94: 5758:at Wikimedia Commons 5521:geometric locations 5421:standing wave ratio 5341:properties of light 5271:index of refraction 4824:infrared thermometer 4632:rate of evaporation 4481:magnetic declination 4346:measuring shoe size 4211:Alphabetical listing 3801:Category:Blood tests 3747:infrared thermometer 3529:spectral sensitivity 3443:improve this section 3248:Analytical chemistry 3240:elementary particles 3238:, rays of any kind, 3210:Proportional counter 2743:Imaging technology, 2139:supercritical fluids 2078:for calculating the 1824:Reaction calorimeter 1712:Thermographic camera 1606:Stefanā€“Boltzmann law 1305:Electric capacitance 1294:of electric signals. 1292:runtime measurements 989:Pressure measurement 979:atmospheric pressure 977:used to measure the 873:mass-to-charge ratio 427:Photoelectric effect 187:electron microscopes 118:measuring instrument 61:improve this article 5381:radius of a sphere 5028:distance travelled 4888:intensity of light 4687:alternating current 4430:direction of North 4420:volume of applause 4386:vertical distances 4182:used by physicists. 4138:gravity gradiometry 4124:technical standards 4116:Gauge (engineering) 4013:Category:Navigation 3945:Computed tomography 3743:Medical thermometer 3525:luminosity function 3236:chemical substances 3234:This could include 3031:of linear momentum) 3011:Photon polarization 2961:Optical power meter 2752:Electron microscope 2637:current-free using 2585:substance potential 2539:Substance potential 2483:dielectric constant 2361:of a solid or of a 2266:of condensed matter 2176:Gas collecting tube 2115:solid-state physics 2104:continuum mechanics 2064:Boiling temperature 2034:Melting temperature 1994:amount of substance 1590:Alcohol thermometer 1548:Galileo thermometer 1528:Gas collecting tube 1487:Amount of substance 1412:Proton magnetometer 1319:Electric inductance 1268:Electric resistance 1184:contact electricity 1009:Tire-pressure gauge 952:gravitational field 790:(speed of rotation) 720:continuum mechanics 149:physical quantities 5642:Electronics portal 5531:very low pressure 5371:the lung capacity 5251:measuring of rain 5221:high temperatures 5161:surface roughness 4944:measuring cylinder 4868:speed of movement 4818:wave interference 3941: 3828: 3808:Respiratory system 3777:Electrocardiograph 3754:Circulatory system 3619:Radar brightness: 3586:Integrating sphere 3550:of various kinds: 3494: 3200:Photographic plate 3190:Ionisation chamber 3157: 3135:Ionizing radiation 3131: 3078:particle radiation 3066: 3064:A Cathode-ray tube 3054:Integrating sphere 3037:Nichols radiometer 2966:Photographic plate 2910: 2899: 2769:Optical microscope 2728:photographic plate 2701:Raman spectroscopy 2690:spectrometers for 2589:chemical potential 2561:chemical reactions 2543:chemical potential 2471: 2425:Imaging technology 2332: 2046:enthalpy of fusion 1969:, bomb calorimeter 1922:Entropy production 1772: 1706:Imaging technology 1628:thermal convection 1624:thermal conduction 1580:Liquid thermometer 1402:Hall effect sensor 1247:electric potential 1171: 1124: 1113:Parkes Observatory 1082:Ballistic pendulum 956: 897:Ballistic pendulum 869:Mass spectrometers 844: 775:device, using the 759:Airspeed indicator 670:Level (instrument) 628:Reflecting circles 532:Graduated cylinder 506: 405:over energy). Its 309: 289: 214: 113: 5754:Media related to 5710:Pocket comparator 5671:measuring devices 5605: 5604: 5571:electrical power 5347:spectrophotometer 4974:mercury barometer 4924:mass spectrometer 4798:angle of a slope 4678:frequency counter 4578:electricity meter 4256:electric current 4194:transmission line 4134:physical quantity 4100:photographic film 3692:calibrated to an 3690:Sound level meter 3482:Leonardo da Vinci 3471: 3470: 3463: 3434:quality standards 3425:This section may 3313:mass spectrometer 3284:gas chromatograph 3160:Particle and ray 3105:Atom polarization 2884:Sound level meter 2708:Crystal structure 2635:electrochemically 2565:nuclear reactions 2501:molecular dipoles 2448:materials science 2129:, where liquids, 1736:materials science 1699:Triple point cell 1652:Solid thermometer 1620:thermal radiation 1516:mass spectrometry 1467:thermal potential 1338:Electricity meter 1312:Capacitance meter 1298:Wheatstone bridge 528:devices (liquids) 456:Length (distance) 445:Dimensions (size) 327:electricity meter 321:Electricity meter 135:quality assurance 131:physical sciences 127:physical quantity 89: 88: 81: 52:quality standards 43:This article may 16:(Redirected from 5789: 5753: 5658: 5653: 5652: 5644: 5639: 5638: 5630: 5628:Astronomy portal 5625: 5624: 5623: 5387:sphygmomanometer 5201:solar radiation 4988:small distances 4908:pressure of gas 4598:electronic tuner 4592:electric charge 4215: 4178:is an important 3912:metabolic system 3843:partial pressure 3793:Sphygmomanometer 3736:core temperature 3732:Body temperature 3466: 3459: 3455: 3452: 3446: 3420: 3419: 3412: 3335:refractive index 3097:Cathode-ray tube 2850:Laser microphone 2843:acoustic mirrors 2804:X-ray microscope 2736:Amorphous solids 2683:Neutron detector 2667:condensed matter 2656:Electrochemistry 2639:reversible cells 2456:condensed matter 2397:Optical activity 2336:Tensile strength 2153:particle density 2092:Thermal analysis 1975:, enthalpy-meter 1869:Heat flux sensor 1853:Entropy transfer 1732:thermal analysis 1662:Bimetallic strip 1508:molecular masses 1445:component bridge 1326:Inductance meter 859:Inertial balance 675:Laser line level 603:Mural instrument 526:Flow measurement 520:pneumatic trough 411:angular momentum 397:Action (physics) 218:Time measurement 171:instrument error 84: 77: 73: 70: 64: 38: 37: 30: 21: 5797: 5796: 5792: 5791: 5790: 5788: 5787: 5786: 5762: 5761: 5746: 5741: 5729: 5700:List of sensors 5685:Instrumentation 5654: 5647: 5640: 5633: 5626: 5621: 5619: 5616: 5610: 5591:wind direction 5411:seismic strain 5391:blood pressure 4954:measuring spoon 4914:mass flow meter 4470:corrosion rate 4342:Brannock Device 4213: 4086: 4053: 4025: 4005: 3987: 3929: 3926:Medical imaging 3915: 3901: 3886: 3870: 3851: 3820: 3766: 3739: 3728: 3711: 3698:auditory system 3664: 3653: 3624: 3608: 3564:Luminance meter 3509: 3501: 3467: 3456: 3450: 3447: 3440: 3421: 3417: 3410: 3391:of water in air 3381: 3362: 3346:Ultracentrifuge 3337:of a substance. 3327:(= lambda sond) 3321:or turbidimeter 3271: 3232: 3165: 3138: 3112: 3088: 3081: 3047: 3033: 3029:current density 3014: 2991:T-ray detectors 2981:Radio telescope 2971:Photomultiplier 2926:Antenna (radio) 2922: 2875:properly gauged 2865: 2836: 2831: 2799:Focus variation 2748: 2711: 2688:Radio frequency 2674: 2663:microstructural 2658: 2646:Redox electrode 2557:aggregate state 2550: 2515: 2490: 2463: 2427: 2415: 2411:Surface tension 2400: 2381: 2366: 2348: 2316:Cam plastometer 2312: 2288: 2268: 2241:speckle pattern 2228: 2216: 2151:This refers to 2149: 2127:fluid mechanics 2107: 2068: 2038: 2018: 1990: 1959: 1924: 1894: 1892:Entropy content 1881:current density 1879:) to determine 1855: 1844: 1801:ice calorimeter 1780:reaction energy 1760: 1708: 1553:Gas thermometer 1539: 1495: 1460: 1431: 1386: 1372: 1353: 1334: 1322: 1308: 1279: 1251: 1217: 1194:Torsion balance 1176: 1174:Electric charge 1128:electric charge 1101: 1091: 1078: 1056: 1030: 1025: 993:Pressure sensor 961: 924:Torsion balance 905: 893: 891:Linear momentum 832: 820: 769:Radar speed gun 764:LIDAR speed gun 755: 737:Mass flow meter 728: 712: 700: 688: 666: 660: 652: 574: 570:Main category: 568: 544:Overflow trough 494: 476: 458: 453: 449:Main category: 447: 442: 438:Main category: 436: 423:Planck constant 399: 393: 365:physical system 361: 359:Power (physics) 355: 347:calorific value 339: 323: 315: 268: 226: 220: 203: 121:is a device to 85: 74: 68: 65: 58: 39: 35: 28: 23: 22: 15: 12: 11: 5: 5795: 5793: 5785: 5784: 5779: 5774: 5764: 5763: 5760: 5759: 5745: 5744:External links 5742: 5740: 5737: 5728: 5725: 5724: 5723: 5718: 5712: 5707: 5702: 5697: 5692: 5687: 5682: 5677: 5672: 5666: 5660: 5659: 5645: 5631: 5612:Main article: 5609: 5606: 5603: 5602: 5599: 5593: 5592: 5589: 5583: 5582: 5579: 5577:weighing scale 5573: 5572: 5569: 5563: 5562: 5559: 5553: 5552: 5549: 5543: 5542: 5539: 5533: 5532: 5529: 5523: 5522: 5519: 5513: 5512: 5509: 5503: 5502: 5499: 5493: 5492: 5489: 5483: 5482: 5479: 5473: 5472: 5469: 5463: 5462: 5459: 5453: 5452: 5449: 5443: 5442: 5439: 5433: 5432: 5429: 5423: 5422: 5419: 5413: 5412: 5409: 5403: 5402: 5399: 5393: 5392: 5389: 5383: 5382: 5379: 5373: 5372: 5369: 5363: 5362: 5359: 5353: 5352: 5349: 5343: 5342: 5339: 5333: 5332: 5329: 5323: 5322: 5319: 5313: 5312: 5309: 5303: 5302: 5299: 5293: 5292: 5289: 5283: 5282: 5279: 5273: 5272: 5269: 5263: 5262: 5259: 5253: 5252: 5249: 5243: 5242: 5239: 5233: 5232: 5229: 5223: 5222: 5219: 5213: 5212: 5209: 5203: 5202: 5199: 5193: 5192: 5191:fluid density 5189: 5183: 5182: 5179: 5173: 5172: 5169: 5163: 5162: 5159: 5153: 5152: 5149: 5143: 5142: 5139: 5133: 5132: 5129: 5123: 5122: 5119: 5113: 5112: 5106: 5100: 5099: 5096: 5090: 5089: 5086: 5080: 5079: 5076: 5070: 5069: 5066: 5060: 5059: 5056: 5050: 5049: 5046: 5040: 5039: 5036: 5030: 5029: 5026: 5020: 5019: 5016: 5010: 5009: 5006: 5000: 4999: 4996: 4990: 4989: 4986: 4980: 4979: 4976: 4970: 4969: 4966: 4960: 4959: 4956: 4950: 4949: 4946: 4940: 4939: 4936: 4930: 4929: 4926: 4920: 4919: 4916: 4910: 4909: 4906: 4900: 4899: 4896: 4890: 4889: 4886: 4880: 4879: 4876: 4870: 4869: 4866: 4860: 4859: 4856: 4850: 4849: 4846: 4840: 4839: 4836: 4830: 4829: 4828:heat radiated 4826: 4820: 4819: 4816: 4814:interferometer 4810: 4809: 4806: 4800: 4799: 4796: 4790: 4789: 4786: 4780: 4779: 4776: 4770: 4769: 4766: 4760: 4759: 4756: 4750: 4749: 4746: 4740: 4739: 4736: 4730: 4729: 4726: 4724:geiger counter 4720: 4719: 4716: 4714:gas pycnometer 4710: 4709: 4706: 4700: 4699: 4696: 4690: 4689: 4680: 4674: 4673: 4670: 4668:framing square 4664: 4663: 4660: 4654: 4653: 4650: 4644: 4643: 4640: 4634: 4633: 4630: 4624: 4623: 4620: 4614: 4613: 4610: 4604: 4603: 4600: 4594: 4593: 4590: 4584: 4583: 4580: 4574: 4573: 4570: 4564: 4563: 4560: 4554: 4553: 4550: 4544: 4543: 4540: 4534: 4533: 4530: 4524: 4523: 4520: 4514: 4513: 4510: 4508:diffractometer 4504: 4503: 4500: 4494: 4493: 4490: 4484: 4483: 4478: 4472: 4471: 4468: 4462: 4461: 4458: 4452: 4451: 4448: 4442: 4441: 4438: 4432: 4431: 4428: 4422: 4421: 4418: 4412: 4411: 4408: 4398: 4397: 4394: 4388: 4387: 4384: 4378: 4377: 4374: 4368: 4367: 4364: 4358: 4357: 4354: 4348: 4347: 4344: 4338: 4337: 4334: 4328: 4327: 4324: 4318: 4317: 4314: 4308: 4307: 4304: 4298: 4297: 4294: 4288: 4287: 4284: 4278: 4277: 4274: 4268: 4267: 4264: 4258: 4257: 4254: 4248: 4247: 4244: 4238: 4237: 4234: 4228: 4227: 4219: 4212: 4209: 4208: 4207: 4197: 4183: 4173: 4163: 4153: 4147: 4141: 4127: 4113: 4106:Force platform 4103: 4093: 4085: 4082: 4052: 4049: 4037: 4036: 4031: 4024: 4021: 4004: 3995: 3986: 3981: 3969: 3968: 3962: 3957: 3952: 3947: 3937:echocardiogram 3928: 3923: 3922: 3921: 3919:Body fat meter 3914: 3909: 3908: 3907: 3900: 3887: 3885: 3879: 3878: 3877: 3869: 3862:Nervous system 3859: 3858: 3857: 3850: 3847:carbon dioxide 3836: 3835: 3834: 3819: 3805: 3804: 3803: 3797:blood pressure 3790: 3780: 3765: 3751: 3750: 3749: 3738: 3729: 3727: 3724: 3723: 3722: 3710: 3707: 3706: 3705: 3687: 3676:sound pressure 3663: 3654: 3652: 3649: 3623: 3617: 3616: 3615: 3607: 3601: 3600: 3599: 3593: 3583: 3582: 3581: 3571: 3566:for measuring 3561: 3556:for measuring 3508: 3502: 3500: 3495: 3469: 3468: 3424: 3422: 3415: 3409: 3400: 3399: 3398: 3392: 3380: 3375: 3374: 3373: 3368: 3361: 3351: 3350: 3349: 3343: 3341:Smoke detector 3338: 3328: 3322: 3316: 3310: 3304: 3299: 3287: 3277: 3270: 3260: 3244:quasiparticles 3231: 3228: 3227: 3226: 3221: 3212: 3207: 3202: 3197: 3192: 3187: 3185:Geiger counter 3182: 3176: 3171: 3169:Bubble chamber 3164: 3158: 3137: 3132: 3119: 3118: 3111: 3102: 3101: 3100: 3094: 3087: 3082: 3080: 3067: 3058: 3057: 3046: 3041: 3040: 3039: 3032: 3022: 3021: 3020: 3013: 3008: 2994: 2993: 2988: 2983: 2978: 2973: 2968: 2963: 2958: 2953: 2951:interferometry 2947:Interferometer 2944: 2939: 2934: 2928: 2921: 2911: 2887: 2886: 2881: 2876: 2864: 2862:Sound pressure 2859: 2858: 2857: 2852: 2835: 2832: 2830: 2819: 2807: 2806: 2801: 2796: 2795: 2794: 2788: 2777: 2772: 2766: 2765: 2764: 2759: 2747: 2741: 2740: 2739: 2710: 2705: 2704: 2703: 2698: 2685: 2680: 2673: 2665:properties of 2659: 2649: 2648: 2549: 2536: 2522: 2521: 2514: 2505: 2497: 2496: 2489: 2472: 2462: 2452: 2440: 2439: 2434: 2426: 2423: 2422: 2421: 2414: 2408: 2407: 2406: 2399: 2394: 2393: 2392: 2387: 2380: 2374: 2373: 2372: 2365: 2356: 2355: 2354: 2347: 2333: 2324: 2323: 2318: 2311: 2305: 2304: 2303: 2287: 2284:elastic moduli 2277: 2276: 2275: 2267: 2261: 2260: 2259: 2254: 2244: 2234: 2227: 2224: 2223: 2222: 2215: 2209: 2202: 2201: 2191: 2185: 2179: 2173: 2167: 2148: 2143: 2106: 2100: 2088: 2087: 2080:molecular mass 2067: 2061: 2060: 2059: 2054: 2049: 2037: 2031: 2030: 2029: 2024: 2017: 2012: 1989: 1978: 1977: 1976: 1970: 1958: 1948: 1947: 1946: 1939: 1938: 1935: 1923: 1920: 1919: 1918: 1912: 1893: 1890: 1889: 1888: 1866: 1854: 1851: 1843: 1840: 1839: 1838: 1827: 1826: 1821: 1816: 1810: 1804: 1794: 1774:This includes 1759: 1757:thermal energy 1746: 1720: 1719: 1716:microbolometer 1707: 1704: 1703: 1702: 1696: 1687: 1682: 1679:Seebeck effect 1672: 1666: 1665: 1664: 1649: 1639: 1609: 1599: 1598: 1597: 1592: 1577: 1572: 1571: 1570: 1565: 1550: 1545: 1538: 1533: 1532: 1531: 1524: 1523: 1512:periodic table 1510:(taken from a 1494: 1484: 1459: 1457:Thermodynamics 1454: 1453: 1452: 1449:bridge circuit 1438: 1430: 1427: 1420: 1419: 1414: 1409: 1404: 1399: 1390:magnetic field 1385: 1383:Magnetic field 1380: 1379: 1378: 1371: 1364:Electric field 1361: 1360: 1359: 1352: 1342: 1341: 1340: 1333: 1330: 1329: 1328: 1321: 1316: 1315: 1314: 1307: 1302: 1301: 1300: 1295: 1285: 1278: 1265: 1264: 1263: 1258: 1250: 1240: 1239: 1238: 1233: 1228: 1223: 1216: 1213: 1206: 1205: 1191: 1175: 1172: 1090: 1087: 1086: 1085: 1077: 1074: 1073: 1072: 1067: 1062: 1055: 1052: 1042: 1041: 1036: 1029: 1026: 1013: 1012: 1006: 996: 982: 972: 960: 957: 932: 931: 926: 921: 916: 911: 904: 901: 900: 899: 892: 889: 882: 881: 879:Weighing scale 876: 866: 861: 856: 850: 831: 828: 827: 826: 819: 816: 809: 808: 802: 796: 791: 785: 780: 777:Doppler effect 766: 761: 754: 751: 750: 749: 744: 739: 734: 727: 724: 711: 708: 707: 706: 699: 696: 695: 694: 687: 684: 683: 682: 677: 672: 662:Main article: 659: 656: 651: 648: 647: 646: 637: 636: 635: 630: 625: 615: 610: 605: 600: 595: 590: 585: 580: 578:Circumferentor 567: 564: 554: 553: 547: 541: 535: 529: 523: 513: 510:Buoyant weight 493: 490: 483: 482: 475: 472: 465: 464: 457: 454: 446: 443: 435: 432: 431: 430: 395:Main article: 392: 389: 381: 380: 357:Main article: 354: 351: 338: 335: 331:kilowatt-hours 322: 319: 311:Main article: 267: 264: 224:Time metrology 216:Main article: 202: 199: 151:of real-world 111:for comparison 105:imperial units 87: 86: 42: 40: 33: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 5794: 5783: 5780: 5778: 5775: 5773: 5770: 5769: 5767: 5757: 5752: 5748: 5747: 5743: 5738: 5736: 5734: 5726: 5722: 5719: 5716: 5713: 5711: 5708: 5706: 5703: 5701: 5698: 5696: 5693: 5691: 5688: 5686: 5683: 5681: 5678: 5676: 5673: 5670: 5667: 5665: 5662: 5661: 5657: 5656:Energy portal 5651: 5646: 5643: 5637: 5632: 5629: 5618: 5615: 5607: 5601:fermentation 5600: 5598: 5595: 5594: 5590: 5588: 5585: 5584: 5580: 5578: 5575: 5574: 5570: 5568: 5565: 5564: 5560: 5558: 5555: 5554: 5550: 5548: 5545: 5544: 5540: 5538: 5535: 5534: 5530: 5528: 5525: 5524: 5520: 5518: 5515: 5514: 5510: 5508: 5505: 5504: 5500: 5498: 5495: 5494: 5490: 5488: 5485: 5484: 5480: 5478: 5475: 5474: 5470: 5468: 5465: 5464: 5460: 5458: 5455: 5454: 5450: 5448: 5445: 5444: 5440: 5438: 5435: 5434: 5430: 5428: 5425: 5424: 5420: 5418: 5415: 5414: 5410: 5408: 5405: 5404: 5401:object range 5400: 5398: 5395: 5394: 5390: 5388: 5385: 5384: 5380: 5378: 5375: 5374: 5370: 5368: 5365: 5364: 5360: 5358: 5355: 5354: 5350: 5348: 5345: 5344: 5340: 5338: 5335: 5334: 5330: 5328: 5325: 5324: 5320: 5318: 5315: 5314: 5310: 5308: 5307:saccharometer 5305: 5304: 5300: 5298: 5295: 5294: 5290: 5288: 5285: 5284: 5280: 5278: 5275: 5274: 5270: 5268: 5267:refractometer 5265: 5264: 5260: 5258: 5255: 5254: 5250: 5248: 5245: 5244: 5240: 5238: 5235: 5234: 5230: 5228: 5225: 5224: 5220: 5218: 5215: 5214: 5210: 5208: 5207:pyrheliometer 5205: 5204: 5200: 5198: 5195: 5194: 5190: 5188: 5185: 5184: 5180: 5178: 5175: 5174: 5170: 5168: 5165: 5164: 5160: 5158: 5155: 5154: 5150: 5148: 5147:potentiometer 5145: 5144: 5140: 5138: 5135: 5134: 5130: 5128: 5125: 5124: 5120: 5118: 5115: 5114: 5110: 5107: 5105: 5102: 5101: 5097: 5095: 5092: 5091: 5087: 5085: 5084:parking meter 5082: 5081: 5077: 5075: 5072: 5071: 5068:oscillations 5067: 5065: 5062: 5061: 5057: 5055: 5052: 5051: 5047: 5045: 5042: 5041: 5037: 5035: 5032: 5031: 5027: 5025: 5022: 5021: 5017: 5015: 5012: 5011: 5007: 5005: 5002: 5001: 4997: 4995: 4992: 4991: 4987: 4985: 4982: 4981: 4977: 4975: 4972: 4971: 4967: 4965: 4962: 4961: 4957: 4955: 4952: 4951: 4947: 4945: 4942: 4941: 4937: 4935: 4934:measuring cup 4932: 4931: 4927: 4925: 4922: 4921: 4917: 4915: 4912: 4911: 4907: 4905: 4902: 4901: 4897: 4895: 4892: 4891: 4887: 4885: 4882: 4881: 4877: 4875: 4872: 4871: 4867: 4865: 4862: 4861: 4857: 4855: 4852: 4851: 4847: 4845: 4842: 4841: 4837: 4835: 4832: 4831: 4827: 4825: 4822: 4821: 4817: 4815: 4812: 4811: 4807: 4805: 4802: 4801: 4797: 4795: 4792: 4791: 4787: 4785: 4782: 4781: 4777: 4775: 4772: 4771: 4767: 4765: 4762: 4761: 4757: 4755: 4752: 4751: 4747: 4745: 4742: 4741: 4737: 4735: 4732: 4731: 4727: 4725: 4722: 4721: 4717: 4715: 4712: 4711: 4707: 4705: 4702: 4701: 4697: 4695: 4692: 4691: 4688: 4684: 4681: 4679: 4676: 4675: 4671: 4669: 4666: 4665: 4661: 4659: 4656: 4655: 4651: 4649: 4646: 4645: 4641: 4639: 4636: 4635: 4631: 4629: 4626: 4625: 4621: 4619: 4616: 4615: 4611: 4609: 4606: 4605: 4601: 4599: 4596: 4595: 4591: 4589: 4586: 4585: 4581: 4579: 4576: 4575: 4571: 4569: 4566: 4565: 4561: 4559: 4556: 4555: 4551: 4549: 4546: 4545: 4541: 4539: 4536: 4535: 4531: 4529: 4526: 4525: 4521: 4519: 4516: 4515: 4511: 4509: 4506: 4505: 4501: 4499: 4496: 4495: 4491: 4489: 4486: 4485: 4482: 4479: 4477: 4474: 4473: 4469: 4467: 4464: 4463: 4459: 4457: 4454: 4453: 4449: 4447: 4444: 4443: 4439: 4437: 4434: 4433: 4429: 4427: 4424: 4423: 4419: 4417: 4414: 4413: 4409: 4407: 4403: 4400: 4399: 4395: 4393: 4390: 4389: 4385: 4383: 4380: 4379: 4375: 4373: 4370: 4369: 4365: 4363: 4360: 4359: 4355: 4353: 4350: 4349: 4345: 4343: 4340: 4339: 4335: 4333: 4330: 4329: 4325: 4323: 4320: 4319: 4315: 4313: 4310: 4309: 4306:air pressure 4305: 4303: 4300: 4299: 4295: 4293: 4290: 4289: 4285: 4283: 4280: 4279: 4275: 4273: 4270: 4269: 4265: 4263: 4260: 4259: 4255: 4253: 4250: 4249: 4245: 4243: 4240: 4239: 4235: 4233: 4230: 4229: 4226: 4223: 4220: 4217: 4216: 4210: 4205: 4201: 4198: 4195: 4191: 4187: 4184: 4181: 4177: 4174: 4171: 4167: 4164: 4161: 4157: 4154: 4151: 4150:Postage meter 4148: 4145: 4144:Parking meter 4142: 4139: 4135: 4131: 4128: 4125: 4121: 4117: 4114: 4111: 4107: 4104: 4101: 4097: 4094: 4091: 4088: 4087: 4083: 4081: 4079: 4075: 4071: 4067: 4063: 4059: 4050: 4048: 4046: 4042: 4035: 4032: 4030: 4029:Radio antenna 4027: 4026: 4022: 4020: 4018: 4014: 4010: 4003: 3999: 3996: 3994: 3992: 3985: 3982: 3980: 3978: 3974: 3966: 3963: 3961: 3958: 3956: 3953: 3951: 3948: 3946: 3943: 3942: 3938: 3933: 3927: 3924: 3920: 3917: 3916: 3913: 3910: 3906: 3903: 3902: 3899: 3895: 3891: 3888: 3883: 3880: 3875: 3872: 3871: 3867: 3863: 3860: 3856: 3853: 3852: 3848: 3844: 3840: 3839:Concentration 3837: 3833: 3830: 3829: 3824: 3817: 3813: 3809: 3806: 3802: 3798: 3794: 3791: 3788: 3784: 3783:Glucose meter 3781: 3778: 3775: 3774: 3773: 3771: 3763: 3762:blood vessels 3759: 3755: 3752: 3748: 3744: 3741: 3740: 3737: 3733: 3730: 3725: 3720: 3716: 3713: 3712: 3708: 3703: 3699: 3696:of the human 3695: 3691: 3688: 3685: 3681: 3677: 3673: 3669: 3666: 3665: 3662: 3658: 3655: 3650: 3648: 3645: 3640: 3636: 3632: 3628: 3622: 3618: 3613: 3610: 3609: 3606: 3602: 3597: 3594: 3591: 3590:luminous flux 3587: 3584: 3579: 3575: 3572: 3569: 3565: 3562: 3559: 3555: 3552: 3551: 3549: 3546: 3545: 3544: 3542: 3541:luminous flux 3538: 3534: 3530: 3526: 3522: 3518: 3514: 3507: 3503: 3499: 3496: 3491: 3487: 3483: 3479: 3478:Vitruvian Man 3475: 3465: 3462: 3454: 3451:February 2013 3444: 3439: 3435: 3431: 3430: 3423: 3414: 3413: 3408: 3404: 3401: 3396: 3393: 3390: 3386: 3383: 3382: 3379: 3376: 3372: 3369: 3367: 3364: 3363: 3359: 3358:Concentration 3355: 3352: 3347: 3344: 3342: 3339: 3336: 3332: 3331:Refractometer 3329: 3326: 3325:Oxygen sensor 3323: 3320: 3317: 3314: 3311: 3308: 3305: 3303: 3300: 3298: 3297:concentration 3294: 3291: 3288: 3285: 3281: 3278: 3276: 3273: 3272: 3268: 3264: 3261: 3259: 3257: 3253: 3249: 3245: 3241: 3237: 3229: 3225: 3222: 3220: 3216: 3213: 3211: 3208: 3206: 3203: 3201: 3198: 3196: 3193: 3191: 3188: 3186: 3183: 3180: 3177: 3175: 3174:Cloud chamber 3172: 3170: 3167: 3166: 3163: 3159: 3153: 3149: 3147: 3143: 3136: 3133: 3128: 3123: 3117: 3114: 3113: 3110: 3106: 3103: 3098: 3095: 3093: 3090: 3089: 3086: 3083: 3079: 3075: 3071: 3068: 3062: 3055: 3052: 3051: 3050: 3045: 3042: 3038: 3035: 3034: 3030: 3026: 3023: 3019: 3016: 3015: 3012: 3009: 3007: 3006: 3001: 2999: 2992: 2989: 2987: 2984: 2982: 2979: 2977: 2974: 2972: 2969: 2967: 2964: 2962: 2959: 2957: 2954: 2952: 2948: 2945: 2943: 2940: 2938: 2935: 2932: 2929: 2927: 2924: 2923: 2920: 2916: 2912: 2908: 2903: 2896: 2891: 2885: 2882: 2880: 2877: 2874: 2870: 2867: 2866: 2863: 2860: 2856: 2853: 2851: 2848: 2847: 2846: 2844: 2840: 2833: 2828: 2824: 2820: 2818: 2816: 2812: 2805: 2802: 2800: 2797: 2792: 2789: 2786: 2783: 2782: 2781: 2778: 2776: 2773: 2770: 2767: 2763: 2760: 2758: 2755: 2754: 2753: 2750: 2749: 2746: 2742: 2737: 2733: 2729: 2725: 2721: 2717: 2713: 2712: 2709: 2706: 2702: 2699: 2697: 2693: 2689: 2686: 2684: 2681: 2679: 2676: 2675: 2672: 2668: 2664: 2660: 2657: 2652: 2647: 2644: 2643: 2642: 2640: 2636: 2632: 2629: 2624: 2622: 2618: 2612: 2610: 2606: 2600: 2598: 2597:closed system 2594: 2590: 2586: 2582: 2578: 2574: 2570: 2566: 2562: 2558: 2554: 2548: 2544: 2540: 2537: 2535: 2534: 2529: 2527: 2520: 2517: 2516: 2513: 2512:magnetization 2509: 2506: 2504: 2502: 2495: 2492: 2491: 2488: 2484: 2480: 2476: 2473: 2467: 2461: 2457: 2453: 2451: 2449: 2445: 2438: 2435: 2432: 2429: 2428: 2424: 2420: 2417: 2416: 2412: 2409: 2405: 2402: 2401: 2398: 2395: 2391: 2388: 2386: 2383: 2382: 2378: 2375: 2371: 2368: 2367: 2364: 2360: 2357: 2353: 2350: 2349: 2345: 2341: 2337: 2334: 2328: 2322: 2319: 2317: 2314: 2313: 2309: 2306: 2301: 2298:), using the 2297: 2293: 2290: 2289: 2285: 2281: 2278: 2273: 2270: 2269: 2265: 2262: 2258: 2255: 2252: 2248: 2245: 2242: 2238: 2235: 2233: 2230: 2229: 2225: 2221: 2218: 2217: 2213: 2210: 2208: 2207: 2199: 2195: 2192: 2189: 2186: 2183: 2180: 2177: 2174: 2171: 2168: 2165: 2162: 2161: 2160: 2158: 2154: 2147: 2144: 2142: 2141:are studied. 2140: 2136: 2132: 2128: 2124: 2120: 2116: 2112: 2105: 2101: 2099: 2097: 2093: 2085: 2081: 2077: 2073: 2070: 2069: 2066:(of a liquid) 2065: 2062: 2058: 2055: 2053: 2050: 2047: 2043: 2040: 2039: 2035: 2032: 2028: 2025: 2023: 2020: 2019: 2016: 2013: 2011: 2010: 2005: 2003: 1999: 1995: 1987: 1983: 1979: 1974: 1971: 1968: 1965: 1964: 1963: 1956: 1955:heat capacity 1952: 1949: 1944: 1943: 1942: 1936: 1933: 1932: 1931: 1929: 1928:Count Rumford 1921: 1916: 1913: 1910: 1907: 1906: 1905: 1903: 1899: 1891: 1886: 1882: 1878: 1877:thermocouples 1874: 1870: 1867: 1864: 1861: 1860: 1859: 1852: 1850: 1848: 1841: 1837: 1833: 1829: 1828: 1825: 1822: 1820: 1817: 1814: 1811: 1808: 1805: 1802: 1798: 1795: 1792: 1789: 1788: 1787: 1785: 1781: 1777: 1769: 1764: 1758: 1754: 1750: 1747: 1745: 1744: 1739: 1737: 1733: 1729: 1725: 1717: 1713: 1710: 1709: 1705: 1700: 1697: 1695: 1694:thermocouples 1691: 1688: 1686: 1683: 1680: 1676: 1675:Thermocouples 1673: 1670: 1667: 1663: 1660: 1659: 1657: 1653: 1650: 1647: 1643: 1640: 1637: 1633: 1629: 1625: 1621: 1617: 1613: 1610: 1607: 1603: 1600: 1596: 1593: 1591: 1588: 1587: 1585: 1581: 1578: 1576: 1573: 1569: 1566: 1564: 1561: 1560: 1558: 1554: 1551: 1549: 1546: 1544: 1541: 1540: 1537: 1534: 1529: 1526: 1525: 1521: 1517: 1513: 1509: 1505: 1501: 1497: 1496: 1492: 1488: 1485: 1483: 1480: 1477: 1475: 1470: 1468: 1464: 1458: 1455: 1450: 1446: 1442: 1439: 1436: 1433: 1432: 1428: 1426: 1425: 1418: 1415: 1413: 1410: 1408: 1405: 1403: 1400: 1398: 1395: 1394: 1393: 1391: 1384: 1381: 1377: 1374: 1373: 1369: 1365: 1362: 1358: 1355: 1354: 1350: 1346: 1343: 1339: 1336: 1335: 1331: 1327: 1324: 1323: 1320: 1317: 1313: 1310: 1309: 1306: 1303: 1299: 1296: 1293: 1289: 1286: 1284: 1281: 1280: 1277: 1273: 1269: 1266: 1262: 1259: 1256: 1253: 1252: 1248: 1244: 1241: 1237: 1234: 1232: 1229: 1227: 1224: 1222: 1219: 1218: 1214: 1212: 1211: 1203: 1199: 1195: 1192: 1189: 1185: 1181: 1178: 1177: 1173: 1168: 1163: 1159: 1157: 1153: 1149: 1145: 1141: 1137: 1133: 1129: 1122: 1118: 1114: 1110: 1105: 1100: 1096: 1088: 1083: 1080: 1079: 1075: 1071: 1070:Torque wrench 1068: 1066: 1063: 1061: 1058: 1057: 1053: 1051: 1050: 1045: 1040: 1037: 1035: 1032: 1031: 1027: 1024: 1019: 1018: 1010: 1007: 1004: 1000: 997: 994: 990: 986: 983: 980: 976: 973: 970: 966: 963: 962: 958: 954:of the Earth. 953: 949: 945: 941: 936: 930: 927: 925: 922: 920: 917: 915: 912: 910: 907: 906: 902: 898: 895: 894: 890: 888: 887: 880: 877: 874: 870: 867: 865: 862: 860: 857: 854: 853:Check weigher 851: 849: 846: 845: 841: 836: 829: 825: 824:Accelerometer 822: 821: 817: 815: 814: 806: 803: 800: 797: 795: 792: 789: 786: 784: 781: 778: 774: 773:Doppler radar 770: 767: 765: 762: 760: 757: 756: 752: 748: 745: 743: 742:Metering pump 740: 738: 735: 733: 730: 729: 725: 723: 721: 717: 709: 705: 702: 701: 697: 693: 690: 689: 685: 681: 678: 676: 673: 671: 668: 667: 665: 657: 655: 649: 645: 644:total station 641: 638: 634: 631: 629: 626: 624: 621: 620: 619: 616: 614: 611: 609: 606: 604: 601: 599: 596: 594: 591: 589: 586: 584: 581: 579: 576: 575: 573: 565: 563: 562: 557: 551: 548: 545: 542: 539: 538:Measuring cup 536: 533: 530: 527: 524: 521: 517: 514: 511: 508: 507: 503: 502:measuring cup 498: 491: 489: 488: 481: 478: 477: 473: 471: 470: 463: 460: 459: 455: 452: 444: 441: 433: 428: 424: 420: 416: 415: 414: 412: 408: 404: 398: 390: 388: 386: 378: 377: 376: 374: 370: 366: 360: 352: 350: 348: 344: 336: 334: 332: 328: 320: 318: 314: 306: 302: 298: 293: 287: 286: 281: 277: 272: 265: 263: 261: 260: 255: 254: 249: 248: 243: 242: 237: 236: 231: 225: 219: 211: 207: 200: 198: 196: 192: 188: 184: 180: 176: 172: 168: 164: 163: 158: 154: 150: 146: 145: 140: 136: 132: 128: 124: 120: 119: 110: 106: 102: 98: 93: 83: 80: 72: 62: 57: 53: 49: 48: 41: 32: 31: 19: 5730: 5561:volume unit 5527:vacuum gauge 5491:temperature 5337:spectrometer 5177:psychrometer 5157:profilometer 5064:oscilloscope 5054:orchidometer 5014:nephelometer 4894:magnetometer 4834:katharometer 4794:inclinometer 4708:electricity 4704:galvanometer 4698:fuel levels 4648:feeler gauge 4642:ocean depth 4628:evaporimeter 4608:ellipsometer 4588:electrometer 4498:densitometer 4476:declinometer 4436:Coulombmeter 4416:clap-o-meter 4382:cathetometer 4352:breathalyzer 4232:alcoholmeter 4176:Spectroscope 4096:Densitometer 4054: 4038: 4006: 3988: 3970: 3767: 3715:Olfactometer 3644:polarization 3635:reflectivity 3625: 3596:Densitometer 3510: 3504:Brightness: 3457: 3448: 3441:Please help 3437: 3426: 3403:Human senses 3319:Nephelometer 3302:Gas detector 3233: 3139: 3092:Crookes tube 3085:Cathode rays 3048: 3044:Radiant flux 3002: 2995: 2986:Spectrometer 2919:non-ionizing 2837: 2811:Spectroscopy 2808: 2650: 2625: 2613: 2605:Gibbs energy 2601: 2593:Gibbs energy 2551: 2547:Gibbs energy 2530: 2523: 2519:Gouy balance 2498: 2475:Permittivity 2441: 2344:malleability 2282:of a solid ( 2272:Strain gauge 2203: 2157:bulk density 2150: 2123:viscoelastic 2108: 2089: 2072:Ebullioscope 2052:Kofler bench 2036:(of a solid) 2027:Strain gauge 2006: 1991: 1960: 1940: 1925: 1895: 1856: 1845: 1776:thermal mass 1773: 1740: 1721: 1636:thermography 1622:(instead of 1616:Planck's law 1481: 1478: 1471: 1461: 1444: 1421: 1407:Magnetometer 1387: 1255:Oscilloscope 1236:Galvanometer 1207: 1180:Electrometer 1167:electroscope 1125: 1046: 1043: 1014: 919:Strain gauge 914:Spring scale 883: 871:measure the 864:Katharometer 818:Acceleration 810: 713: 680:Spirit level 664:Level sensor 653: 598:Inclinometer 558: 555: 484: 466: 400: 382: 362: 349:of the gas. 340: 324: 316: 283: 276:Captain Nemo 257: 253:atomic clock 251: 245: 239: 233: 227: 167:test methods 161: 142: 116: 114: 97:tape measure 75: 69:October 2023 66: 59:Please help 55: 44: 5717:or detector 5669:Data logger 5487:thermometer 5467:tensiometer 5437:tacheometer 5407:strainmeter 5377:spherometer 5357:speedometer 5317:seismometer 5197:pyranometer 5137:polarimeter 4854:light meter 4744:graphometer 4652:gap widths 4568:dynamometer 4558:dumpy level 4528:disdrometer 4518:dilatometer 4446:colorimeter 4402:chronometer 4372:calorimeter 4312:bettsometer 4218:Instrument 4130:Gradiometer 4074:reliability 4066:ease of use 4015:. See also 3984:Meteorology 3787:blood sugar 3745:, see also 3717:, see also 3700:behind the 3672:loudspeaker 3605:colorimetry 3574:Light meter 3558:illuminance 3548:Photometers 3533:illuminance 3517:radiometric 3445:if you can. 3295:, and thus 3290:Colorimeter 3265:content in 2855:Seismometer 2839:Microphones 2718:, a sample 2437:Wind tunnel 2419:Tensiometer 2404:Polarimeter 2370:Grindometer 2359:Granularity 2321:Plastometer 2264:Deformation 2111:macroscopic 2057:Thiele tube 2022:Dilatometer 1945:calorimeter 1934:calorimeter 1887:of entropy. 1873:thermopiles 1836:Calorimetry 1832:Calorimeter 1791:Actinometer 1768:calorimeter 1751:carried by 1734:methods in 1685:Thermometer 1669:Thermistors 1602:Pyranometer 1536:Temperature 1491:mole number 1463:Temperature 1447:due to the 1249:difference) 1226:Clamp meter 1186:leading to 1136:electronics 1132:electricity 1109:radio waves 1065:Prony brake 1060:Dynamometer 1034:Stroboscope 909:Force gauge 805:Velocimetry 783:Speedometer 747:Water meter 698:Coordinates 593:Graphometer 583:Cross staff 375:of energy. 280:Jules Verne 259:Stopwatches 183:stopwatches 144:measurement 139:engineering 63:if you can. 5766:Categories 5739:References 5537:viscometer 5507:tintometer 5477:theodolite 5447:tachometer 5397:stadimeter 5367:spirometer 5257:radiometer 5247:rain gauge 5187:pycnometer 5167:protractor 5127:planometer 5117:photometer 5044:opisometer 5004:nephoscope 4994:multimeter 4984:micrometer 4844:lactometer 4784:hygrometer 4774:hydrometer 4754:heliometer 4734:glucometer 4694:fuel gauge 4638:fathometer 4618:eudiometer 4548:drumometer 4488:densimeter 4456:creepmeter 4392:ceilometer 4292:barkometer 4282:audiometer 4266:windspeed 4262:anemometer 4204:tolerances 4058:navigation 3998:Navigation 3971:See also: 3855:Capnograph 3832:Spirometer 3770:blood test 3621:radiometry 3521:wavelength 3506:photometry 3407:human body 3385:Hygrometer 3293:absorbance 3219:Lucas cell 3146:gamma rays 2879:Shock tube 2873:hydrophone 2869:Microphone 2809:(See also 2745:microscope 2720:scattering 2716:X-ray tube 2654:See also: 2413:of liquids 2390:Viscometer 2379:of a fluid 2363:suspension 2346:of a solid 2310:of a solid 2308:Plasticity 2280:Elasticity 2257:Tribometer 2214:of a solid 2188:Pycnometer 2182:Hydrometer 1766:An active 1690:Thermopile 1612:Pyrometers 1520:Molar mass 1435:Multimeter 1376:Field mill 1366:(negative 1351:of energy) 1093:See also: 1039:Tachometer 1021:See also: 1001:(measures 999:Pitot tube 969:wind speed 967:(measures 965:Anemometer 929:Tribometer 838:A pair of 799:Variometer 794:Tachymeter 788:Tachometer 640:Theodolite 608:Protractor 588:Goniometer 516:Eudiometer 480:Planimeter 307:rest stop. 297:Love Meter 109:US pennies 99:with both 5777:Metrology 5705:Metrology 5597:zymometer 5587:wind vane 5567:wattmeter 5547:voltmeter 5497:tiltmeter 5457:taximeter 5441:distance 5417:SWR meter 5287:rotameter 5277:rheometer 5217:pyrometer 5181:humidity 5094:pedometer 5074:osmometer 4904:manometer 4884:lux meter 4874:load cell 4804:inkometer 4788:humidity 4764:hourmeter 4683:frequency 4538:dosimeter 4332:bolometer 4322:bevameter 4302:barometer 4272:astrolabe 4246:altitude 4242:altimeter 4186:SWR meter 4120:calibrate 4108:measures 4090:Actograph 4062:astronomy 4039:See also 4034:Telescope 4023:Astronomy 4007:See also 4002:surveying 3989:See also 3965:Tomograph 3960:Radiology 3905:Ergometer 3719:Olfaction 3702:human ear 3684:human ear 3668:Headphone 3568:luminance 3554:Lux meter 3537:luminance 3513:human eye 3492:(1485-90) 3395:Lysimeter 3263:Substance 3179:Dosimeter 3074:rest mass 3070:Radiation 3018:Polarizer 3003:See also 2998:lux meter 2976:Phototube 2942:EMF meter 2931:Bolometer 2915:rest mass 2827:particles 2591:or molar 2581:membranes 2577:diffusion 2569:reactants 2545:or molar 2531:See also 2494:Capacitor 2431:Tomograph 2385:Rheometer 2377:Viscosity 2340:ductility 2274:all below 2243:analysed. 2239:produced 2220:Durometer 2170:Dasymeter 2164:Aerometer 2090:See also 1980:Specific 1830:See also 1784:heat flow 1722:See also 1632:pyrometry 1500:chemistry 1441:LCR meter 1357:Wattmeter 1261:Voltmeter 1148:potential 1130:dominate 1121:Apollo 11 1117:Australia 985:Manometer 975:Barometer 948:barometer 732:Gas meter 716:classical 710:Mechanics 692:Gyroscope 686:Direction 552:(liquids) 534:(liquids) 419:phototube 407:dimension 343:gas meter 337:Gas meter 256:is used. 129:. In the 5608:See also 5557:VU meter 5104:pH meter 5034:ohmmeter 5024:odometer 4466:corrator 4286:hearing 4225:measured 4222:Quantity 4192:and the 4170:hypernym 4078:accuracy 4051:Military 3756:(mainly 3657:Loudness 3639:moisture 3427:require 3378:Humidity 3366:pH meter 3267:mixtures 3025:Pressure 2631:reaction 2609:enthalpy 2579:through 2573:products 2212:Hardness 2200:) solids 2102:More on 1557:gas laws 1368:gradient 1283:Ohmmeter 1196:used by 1144:magnetic 1003:airspeed 613:Quadrant 546:(solids) 512:(solids) 434:Geometry 403:integral 369:interval 107:and two 45:require 5581:weight 5511:colour 5327:sextant 5227:quadrat 4948:volume 4426:compass 4366:length 4362:caliper 4252:ammeter 4190:antenna 4156:S meter 3898:muscles 3816:airways 3651:Hearing 3603:Color: 3429:cleanup 3389:density 3072:with a 2825:" and " 2821:Rays (" 2190:liquids 2184:liquids 2166:liquids 2146:Density 2135:plasmas 2084:solvent 1847:Entropy 1842:Entropy 1753:entropy 1714:uses a 1474:entropy 1397:Compass 1349:current 1243:Voltage 1221:Ammeter 1198:Coulomb 950:in the 944:mercury 848:Balance 633:Sextant 550:Pipette 522:(gases) 247:watches 235:sundial 153:objects 123:measure 47:cleanup 5733:-metre 5715:Sensor 5171:angle 5098:steps 4964:megger 4748:angle 4450:color 4166:Sensor 4076:, and 3866:nerves 3539:, and 3490:Venice 3254:, and 3242:, and 3142:X-rays 2937:Camera 2726:and a 2724:X-rays 2485:), or 2002:volume 1749:Energy 1504:atomic 1274:, and 1054:Torque 840:scales 718:- and 623:Octant 492:Volume 391:Action 313:Energy 266:Energy 241:clocks 179:rulers 157:events 137:, and 101:metric 5727:Notes 5297:ruler 5131:area 4410:time 4406:clock 4070:speed 3890:power 3758:heart 3709:Smell 3682:of a 3523:by a 3498:Sight 2996:(for 2895:prism 2823:waves 2793:(STM) 2787:(AFM) 2628:redox 2575:, or 2571:into 2553:Phase 2342:, or 2237:Laser 2178:gases 2172:gases 2131:gases 2117:; in 2082:of a 1871:uses 1626:, or 1530:gases 1506:- or 1417:SQUID 1345:Power 1202:above 1140:field 987:(see 946:(Hg) 658:Level 566:Angle 303:at a 210:Watch 162:units 4808:ink 4180:tool 4043:and 4011:and 4000:and 3975:and 3894:work 3814:and 3812:lung 3760:and 3661:phon 3637:and 3405:and 3387:the 3162:flux 3144:and 3107:and 2905:The 2813:and 2722:the 2694:and 2661:Sub- 2619:and 2296:RFDA 2251:RFDA 2198:RFDA 2096:Heat 1998:mass 1984:or " 1953:or " 1885:flux 1726:and 1489:(or 1154:and 1134:and 1097:and 991:and 830:Mass 771:, a 642:and 474:Area 373:flux 299:and 244:and 230:time 201:Time 189:and 181:and 173:and 155:and 103:and 4685:of 4404:or 3935:An 3896:of 3845:of 3841:or 3734:or 3659:in 3480:by 2871:or 2817:.) 2714:An 2671:gas 2587:or 2563:or 2541:or 2510:or 2481:, ( 2460:gas 1883:or 1834:or 1755:or 1658:). 1586:). 1559:). 325:An 185:to 5768:: 5109:pH 4168:, 4080:. 4072:, 4068:, 4060:, 4047:. 4019:. 3993:. 3979:. 3892:, 3772:. 3674:, 3670:, 3543:. 3535:, 3488:, 3484:, 3356:: 3354:pH 3282:, 3258:. 3250:, 3217:, 3076:, 2917:, 2845:. 2829:") 2669:, 2641:. 2623:) 2599:. 2559:, 2528:. 2503:. 2477:, 2458:, 2450:. 2446:, 2338:, 2133:, 2098:. 2094:, 2000:, 1996:, 1904:) 1782:, 1738:. 1392:. 1270:, 1158:) 1115:, 518:, 500:A 429:.) 417:A 413:. 387:. 363:A 341:A 333:. 193:. 141:, 133:, 125:a 115:A 4206:. 4196:. 4162:. 4140:. 4126:. 4112:. 3864:( 3810:( 3789:. 3721:. 3704:. 3686:. 3464:) 3458:( 3453:) 3449:( 3309:, 3129:. 3027:( 2897:. 2294:( 2286:) 2253:) 2249:( 2196:( 2086:. 2048:. 1988:" 1957:" 1638:. 1608:) 1493:) 1245:( 1204:. 1190:. 1169:. 1005:) 995:) 981:. 971:) 82:) 76:( 71:) 67:( 20:)

Index

List of measuring devices
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tape measure
metric
imperial units
US pennies
measuring instrument
measure
physical quantity
physical sciences
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physical quantities
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rulers
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electron microscopes
particle accelerators
Virtual instrumentation

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