temperaturesaretobemeasuredfollowedbyhightemperaturemeasurements,sometime
(severalminutes)isrequiredafterthelow(andbeforethehigh)temperaturemeasurements
aremade.
ThisisaresultofthecoolingprocesswhichmusttakeplacefortheIRsensor.
6.
6.
6.
6.BATTERY
B ATTERY
BATTERY
BATTERYREPLACEMENT
R EPLACEMENT
REPLACEMENT
REPLACEMENT
①Asbatterypowerisnotsufficient,LCDwilldisplay“”replacementwithonenew
batterytype9Visrequired.
②Openbatterycover,thentakeoutthebatteryfrominstrumentandreplacewithanew
9-Voltbatteryandplacethebatterycoverback.
7.NOTES:
NOTES:
NOTES:
NOTES:
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�How
How
How
Howit
it
it
itWorks
Works
Works
Works
Infraredthermometersmeasurethesurfacetemperatureofanobject.Theunit’soptics
senseemitted,reflected,andtransmittedenergy,whichiscollectedandfocusedontoa
detector.Theunit’selectronicstranslatetheinformationintoatemperaturereadingwhichis
displayontheunit.Inunitswithalaser,thelaserisusedforaimingpurposesonly.
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�Field
Field
Field
Fieldof
of
of
ofView
View
View
View
Makesurethatthetargetislargerthantheunit’sspotsize.Thesmallerthetarget,thecloser
youshouldbetoit.Whenaccuracyiscritical,makesurethetargetisatleasttwiceaslarge
asthespotsize.
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�Distance
Distance
Distance
Distance&
&
&
&Spot
Spot
Spot
SpotSize
Size
Size
Size
Asthedistance(D)fromtheobjectincreases,thespotsize(S)oftheareameasuredbythe
unitbecomeslarger.See:Fig:
F ig:
Fig:
Fig:1
1
1
1.
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�Locating
Locating
Locating
Locatinga
a
a
ahot
hot
hot
hotSpot
Spot
Spot
Spot
To
findahotspotaimthethermometeroutsidetheareaofinterest,thenscanacrosswithan
upanddownmotionuntilyoulocatehotspot.
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�Reminders
Reminders
Reminders
Reminders
①Notrecommendedforuseinmeasuringshinyorpolishedmetalsurfaces(stainlesssteel,
aluminum,etc.).SeeEmissivity
E missivity
Emissivity
Emissivity
②Theunitcannotmeasurethroughtransparentsurfacessuchasglass.Itwillmeasurethe
surfacetemperatureoftheglassinstead.
③Steam,dust,smoke,etc.,canpreventaccuratemeasurementbyobstructingtheunit’soptics.
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�Emissivity
Emissivity
Emissivity
Emissivity