Extech Instruments TM20 User manual

1TM20-TM25-EU-EN V1.6 4/13

USERGUIDE



PortableThermometers



ModelTM20thermometerwithstandardprobe

ModelTM25thermometerwithpenetrationprobe



2TM20-TM25-EU-EN V1.6 4/13

Introduction

ThankyouforselectingthisExtechPortableThermometerforhomeuse.Thisdeviceisintended

foruseinmeasuringthetemperatureofair,liquid,paste,orsemi‐solidmaterials.TheTM20

usesastandardtemperatureprobewhiletheTM25isequippedwithapenetrationprobefor

insertionintomaterialsundertest.Thismeterisshippedfullytestedandcalibratedand,with

properuse,willprovideyearsofreliableservice.Pleasevisitourwebsite(www.extech.com)to

checkforthelatestversionofthisUserGuide,ProductUpdates,andCustomerSupport.



Safety



InternationalSafetySymbols



Thissymbol,adjacenttoanothersymbolorterminal,indicatestheusermustrefertothe

manualforfurtherinformation.



Thissymbol,adjacenttoaterminal,indicatesthat,undernormaluse,hazardousvoltages

maybepresent



Doubleinsulation



GeneralSafety

oPleasereadallsafetyandinstructionalinformationbeforeusingtheseproducts.

oTheseproductsareintendedforhomeuseonlyonair,liquid,pastes,andsemi‐solid

materials.

oUnauthorizedrepairs,modifications,orotherchangestotheproductsarenotsupported.

oThisproductisnotintendedforuseinmedicalpractice.



3TM20-TM25-EU-EN V1.6 4/13



Caution!RiskofInjury!



oKeeptheseproducts,theirprobes,andbatteriesoutofthereachofchildrenandpets

oUseextremecautionwhenhandlingtheprobes

oBatteriesmustnotbeplacedinfire,shortcircuited,takenapart,ordischarged.Riskof

explosion!

oBatteriescanbefatalifswallowed.Contactmedicalemergencypersonnelifbatteriesare

swallowed.

oBatteriescontainharmfulacids.Lowbatteriesshouldbechangedassoonaspossibleto

preventdamagecausedbyleakingbatteries.



ProductSafety!



oDonotplacetheseproductsnearextremetemperatures,vibration,orshock

oOnlytheprobesareheatresistantto392oF(200oC)fortheTM25probeandto158oF(70oC)

fortheTM20probe,notthemetersthemselves

oNeverholdaprobedirectlyinoroverfire

oDonotimmersethemetersinanyliquid



4TM20-TM25-EU-EN V1.6 4/13

Description



MeterDescription

1. Meter

2. LCDdisplay

3. PowerON/OFFbutton

4. MAX/MINbutton

5. ALARM/SETbutton

6. Temperatureunits/uparrowbutton

7. Meterstand/base

8. Sensorcabling

9. Sensortips

10. Probemountingbracket



Note:Wallmountaccessholeand

magnetonrearofinstrumentnot

pictured



AdvancedDisplaySymbols

1. Lowbatterysymbol

2. Alarmsymbol

3. FlashingAlarmAlert

4. HighAlarmsymbol

5. LowAlarmsymbol



5TM20-TM25-EU-EN V1.6 4/13

Operation



DisplayProtectiveFoil

Themeter’sdisplayisshippedwithaprotectivefoilcovering.Pleaseremovecarefullybefore

use.



Poweringthemeter

Openthebatterycompartmentbylooseningthetwoscrews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.Ifabatteryisalreadyinstalled,removetheinsulationstripsothatthebatterycanmake

propercircuitcontact.

Theinstrumentisnowreadyforuse.PresstheON/OFFkeyoncetopowerthemeter.The

meter’sprevioussettingswillbepreserved.



Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.

Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate

collectionsites,theretailstorewherethebatterieswerepurchased,orwherever

batteriesaresold.

Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuseris

obligatedtotakeend‐of‐lifedevicestoadesignatedcollectionpointforthedisposal

ofelectricalandelectronicequipment.



OtherBatterySafetyReminders

oNeverdisposeofbatteriesinafire.Batteriesmayexplodeorleak.

oNevermixbatterytypes.Alwaysinstallnewbatteriesofthesametype.



SelectingoC/oFunitsofmeasure

PresstheoC/oFkeytoselectthedesiredtemperatureunitofmeasure.



MAX‐MINandHOLDFunction

Tofreeze(hold)thedisplayedreading,presstheMAX/MINkey.Thecurrentreadingwillbeheld

onthedisplayandtheHOLDdisplayiconwillbevisible.PressMAX/MINagaintoviewthe

Maximumreadingcapturedsincethelastreset;theMAXindicatorwillbevisiblealongwiththe

MAXreading.PressMAX‐MINagaintoviewtheMinimum(MIN)temperaturereading;theMIN

iconwillbevisiblealongwiththelowestreadingcapturedsincethelastreset.ToresettheMAX

andMINvaluespressandholdtheMAX‐MINbuttonfor3secondswhiletheMAXorMINiconis

visible.ToreturntonormaloperationpresstheMAX/MINkeyagain;theHOLD‐MIN‐MAX

indicatorsshouldnowbeoff.



6TM20-TM25-EU-EN V1.6 4/13

TemperatureAlarms

Sethigh/lowalarmlimitsandthemeterwillaudiblyandvisuallyalerttheuserifeitherlimitis

exceeded.Tosetthealarmvalues,followthesesteps:

1. PresstheALARM/SETbuttononcefromthenormaloperatingmode;theupperlimitvalue

anditssymbol(uparrow)willflash.

2. Setthetemperaturelimitbypressingthe▲button(pressandholdforfastscrolling).

3. NowusetheMAX/MINbuttontoactivate/deactivatethealarm(alarmsymbolwillappear

intheupperrighthandcorneroftheLCDwhenactivated).

4. VerifythesettingbypressingALARM/SET.

5. Performthesamestepsforthelowalarmlimit.

Aftersettingthealarms,theupperandlowerlimitsymbols(▲▼)willbedisplayedontheLCD

indicatingthatanupperandaloweralertvaluehasbeenset.Ifthemeasuredtemperature

exceedseitherlimit,thealarmbeeperwillsoundfor1minute.Thealarmbeepericonandthe

correspondingarrowwillflash.Pressinganybuttonwillswitchoffthealarm.

Whenthetemperaturereturnstothedesiredrangetheaudiblealarmwillstopsounding.The

arrowwillremainflashinghowevertoshowthatthetemperaturewashigherorlowerthanaset

valueatleastonceinthepast.Pressthe▲buttontoswitchOFFtheflashingarrow.



Specifications



Display  Multi‐functionLCD

MeasurementrangeTM20:‐40to70oC(‐40to158oF)

TM25:‐40to200oC(‐40to392oF)

Resolution 0.1oC/oF

Accuracy 0.5oC:0oto24oC

1.0oC:‐20oto‐1oCand25oto49oC

2.0oC:‐40oto‐21oCand50oto200oC

0.9oF:32oto75oF

1.8oF:‐4oto31oFand76oto120oF

3.6oF:‐40oto‐5oFand121oto392oF

ProtectionsafetyratingIP65ratingonmeterandsensors

LowbatteryindicationBatterysymbolappearsontheLCD

Powersupply CR20323Vbuttonbattery

MeterDimensions86(L)x57(H)x30(D)mm/3.4(L)x2.2(H)x1.2(D)"

Cablelength TM20cable:209m(9.6ft.)

TM25cable:1.5m(5ft.)



Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform

www.extech.com

This manual suits for next models

Table of contents

Other Extech Instruments Thermometer manuals

Extech Instruments

Extech Instruments 42570 User manual

Extech Instruments

Extech Instruments EasyView EA20 User manual

Extech Instruments

Extech Instruments RH200W User manual

Extech Instruments

Extech Instruments RH30 User manual

Extech Instruments

Extech Instruments RH210 User manual

Extech Instruments

Extech Instruments TM20 User manual

Extech Instruments

Extech Instruments IR100 User manual

Extech Instruments

Extech Instruments 42525A User manual

Extech Instruments

Extech Instruments SDL200 User manual

Extech Instruments

Extech Instruments 4465CF User manual

Extech Instruments

Extech Instruments 42500 User manual

Extech Instruments

Extech Instruments EA15 User manual

Extech Instruments

Extech Instruments 407445 User manual

Extech Instruments

Extech Instruments 42540 User manual

Extech Instruments

Extech Instruments 42545 User manual

Extech Instruments

Extech Instruments 421508 User manual

Extech Instruments

Extech Instruments 401014A User manual

Extech Instruments

Extech Instruments 445715 User manual

Extech Instruments

Extech Instruments EA15 User manual

Extech Instruments

Extech Instruments IR200 User manual

Extech Instruments

Extech Instruments 42529 User manual

Extech Instruments

Extech Instruments TM100 User manual

Extech Instruments

Extech Instruments IR100 User manual

Extech Instruments

Extech Instruments RH401 User manual

Popular Thermometer manuals by other brands

Delton

Delton 981A instruction manual

Baker

Baker MM2P instruction manual

Tarmo

Tarmo 320281 manual

Citizen

Citizen CTD 504 instruction manual

TFA

TFA 14.1500 instruction manual

Vive

Vive DMD1010 user manual

Gotemp

Gotemp THB4002 user guide

GREISINGER

GREISINGER G 1202 Quick reference guide

Amprobe

Amprobe TMD-53W user manual

Trotec

Trotec BP10 operating manual

Radiance instruments

Radiance instruments RT616 Series product manual

Eurolec

Eurolec IR151 operating instructions

Scaneo

Scaneo TS42B instruction manual

Sper scientific

Sper scientific 800043 instruction manual

Microlife

Microlife NC 200 Operating instructions manual

Motorola

Motorola MBP69SN General questions

The MeatStick

The MeatStick The MeatStick quick start guide

Hama

Hama TH35-A operating instructions