The UEi 550B is an NSF certified, Fahrenheit-only, digital pocket thermometer. The water-resistant head, protective magnetic boot, and hard carrying sleeve with built-in pocket clip make the 550B a great choice for HVAC/R and food service.

The 550B features a reading range of -58-572 °F as well as Min/Max and Hold functionality. Its 5 in. probe allows you to easily get reliable and accurate measurements in either ambient air or direct contact in solids and liquids.

550B is backed by a 3-Year limited warranty.