User manual

2 TM20-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.
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Safety
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InternationalSafetySymbols
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Thissymbol,adjacenttoanothersymbolorterminal,indicatestheusermustrefertothe
manualforfurtherinformation.
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Thissymbol,adjacenttoaterminal,indicatesthat,undernormaluse,hazardousvoltages
maybepresent
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Doubleinsulation
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GeneralSafety
o Pleasereadallsafetyandinstructionalinformationbeforeusingtheseproducts.
o These products are intended for home use only on air, liquid, pastes, and semi‐solid
materials.
o Unauthorizedrepairs,modifications,orotherchangestotheproductsarenotsupported.
o Thisproductisnotintendedforusein
medicalpractice.
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