The refrigerator is suitable for what kind of thermometer?

Refrigerator has a temperature display, but even a new refrigerator, also don't believe in it. Take a thermometer, check it regularly, to ensure the temperature stability. In order to guarantee the health security of food, for the sake of your family's health, now a lot of families use thermometer in the refrigerator, the refrigerator is suitable for what kind of thermometer? Recommend below instrument for you two best-selling refrigerator thermometer on the market. The first paragraph: RT221 refrigerator thermometer features: wall clock, thermometer, intuitive and convenient; Safe and reliable, long life; High sensitivity, and can be hung on the wall or on the table. Models: RT221 refrigerator thermometer with belt hook type: refrigerator thermometer with hook material: all the SS304 stainless steel surface diameter: 63 mm temperature range: - 40 - 40 c: precision & plusmn; Table covered: 2% glass in the second paragraph: DT100S electronic thermometer features: digital display can let people intuitively understand how much he'd like to know what the temperature is. Models: DT100S types: digital display material: ABS shell, stainless steel temperature measuring head 5 * 30 mm, pointed tail heat line length: 1. 2 meters temperature range: - 50/150℃, ℉ : precision & plusmn; 1 c ( - 20~50C） Resolution: 0. 1° CON/OFF switch to save electricity power: 1. 5 v button battery, easy to change scope of application: refrigerators, display cabinets, incubator, cold chain transport vehicle, etc. Refrigerator thermometer has become a household necessities, according to the above introduction, now should know how to choose to use the refrigerator thermometer?