FLIRTG165USERGUIDEDocumentIdentifier:TG165‐en‐US_AA
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Thisiswhyhotobjectssuchaspartsonanenginesandexhaustpipesappearwhite,whilethesky,puddlesof
waterandothercoldobjectsappeardark(orcool).Sceneswithfamiliarobjectswillbeeasytointerpretwith
someexperience.
Infraredenergyispartofacompleterangeof
radiationcalledtheelectromagneticspectrum.Theelectromagnetic
spectrumincludesgammarays,X‐rays,ultraviolet,visible,infrared,microwaves(RADAR),andradiowaves.Theonly
differenceistheirwavelengthorfrequency.Alloftheseformsofradiationtravelatthespeedoflight.Infraredradiation
liesbetweenthevisibleandRADARportions
oftheelectromagneticspectrum.
Theprimarysourceofinfraredradiationisheatorthermalradiation.Anyobjectwhichhasatemperatureradiatesinthe
infraredportionoftheelectromagneticspectrum.Evenobjectsthatareverycold,suchasanicecube,emitinfrared.
Whenanobjectisnotquitehotenough
toradiatevisiblelight,itwillemitmostofitsenergyintheinfrared.Forexample,
hotcharcoalmaynotgiveofflight,butitdoesemitinfraredradiation,whichwefeelasheat.Thewarmertheobject,the
moreinfraredradiationitemits.
Infraredimagingdevicesproduceanimage
ofinvisibleinfraredor“heat”radiationthatisunseenbythehumaneye.
Therearenocolorsor“shades”ofgrayininfrared,onlyvaryingintensitiesofradiatedenergy.Theinfraredimager
convertsthisenergyintoanimagethatwecaninterpret.
TheInfraredTrainingcenterofferstraining(includingonlinetraining)
andcertificationinallaspectsof
thermography:http://www.infraredtraining.com/.
13CustomerSupport
MainWebsite http://www.flir.com/test
TechnicalSupportWebsite http://support.flir.com
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