Foodservice Essentials TMO-52A-OS Oven Thermometer, Stainless Steel The temperature ranges from 100 degrees to 600 degrees Fahrenheit. External metal housing is made from 300 series stainless steel which provides superior performance in food service applications Internal mechanisms that measure the temperature are made to exacting standards, resulting in a high performance temperature measurement tool Easy-to-read temperature dials and screens make this thermometer one of the most reliable performers in your kitchen FSE Professional Thermometers feature precision temperature measurement, top of the line materials and a lifetime guarantee