Taylor Precision Products Pro Oven Guide Thermometer Keep ovens baking and roasting with precision using this durable and accurate thermometer. Hang the thermometer in the oven or stand it up to read while the oven is on. Measuring 100 to 600 degrees Fahrenheit, this thermometer features a large face with easy-to-read zone guide references. This thermometer is built with durable, heavy-duty stainless steel and a mercury-free thermometer for easy, safe cleaning by hand or the dishwasher. Listed by the NSF, this thermometer is hygienic and safe to operate in the oven.