How should a food manager prevent cross contact of allergy-producing foods? This purple probe thermometer from Taylor Precision alerts users to the fact that it should be used for allergen-free foods only. The pocket food thermometer offers all the benefits of a Taylor Precision product—a temperature range of -40°F to 302°F (+/- 2°F); 3/8” LCD digital display; 4-5/8” stem probe length; step-down 1.5mm probe design for thin, delicate foods; auto shut-off feature; a storage sleeve included to protect the stem probe; and a pocket clip. The allergen thermometer is NSF listed.