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39240: Waterproof Stem Thermometer

Pocket thermometer with stainless steel stem

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Extech’s 39240 is a waterproof stem thermometer. This stem thermometer is pocket sized with a digital display featuring 0.1° resolution and min/max recording. It measures temperature in frozen solids and liquids using the 2.75 in. (70 mm) stainless steel stem. Temperature measurements from -40 to 392°F (-40 to 200°C). MAX/MIN recall of high and low temperatures as well as Data Hold and Auto power Off features. Complete with one LR44 button battery and protective cover.

Additional information


-40 to 200°C / -40 to 392°F




±1°C /+ 2°F


70mm / 2.75” stainless steel


LR44 button (or equivalent)


Display: 109 x 99 x 20mm (4, 3 x 3, 9 x 0, 8”)

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