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Extech Instruments TM20 - Device Operation; Powering and Battery Installation; Temperature Unit (CF) Selection; MAX-MIN and HOLD Feature Usage

Extech Instruments TM20
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5 TM2xenGB_V2.15/15
Operation
DisplayProtectiveFoil
The meter’s display is shipped with a protective foil covering. Please remove carefully before
use.
Poweringthemeter
Open the batterycompartment by loosening the twoscrews located on the back of the meter
(on either side of the magnet). Insert a new CR2032 3V lithium button battery and close the
cover.Ifa batteryisalready installed,removethe insulationstripso that thebatterycanmake
propercircuitcontact.
The instrument is now ready for use. Press the ON/OFF key once to power the meter. The
meter’sprevioussettingswillbepreserved.
All EU users are legally bound by the battery ordinance to return all used batteries to collection
pointsinyourcommunityorwhereverbatteries/accumulatorsaresold!Disposalinthehousehold
trashisprohibited!
Selecting
o
C/
o
Funitsofmeasure
Pressthe
o
C/
o
Fkeytoselectthedesiredtemperatureunitofmeasure.
MAXMINandHOLDFunction
Tofreeze(hold) thedisplayedreading, presstheMAX/MIN key.Thecurrentreading willbe
heldonthedisplayandtheHOLDdisplayiconwillbevisible.
PressMAX/MINagaintoviewthe Maximum readingcapturedsincethelastreset;the MAX
indicatorwillbevisiblealongwiththeMAXreading.
PressMAXMINagaintoviewtheMinimum(MIN)temperaturereading;theMINiconwillbe
visiblealongwiththelowe streadingcapturedsincethelastreset.
Toreset theMAXand MINvalues press andhold theMAXMIN buttonfor 3seconds while
theMAXorMINiconisvisible.
Toreturntonormaloperationpr
esstheMAX/MINkeyagain;theHOLDMINMAXindicators
shouldnowbeoff.
SoundReflector(TM26only)
The TM26 includes a sound reflector on the rear of the unit. This device amplifies the audible
beepersoastobeheardfromgreaterdistances.
NSFCertified(TM26only)
TheTM26isNSFCertified,meetingtherequirementsforuseinthefoodserviceindustry.

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