The UEi PDT655 is a back-folding digital pocket thermometer capable of calculating differential temperature. The large and glove friendly design, hands-free magnetic mount, and folding probe capable of reading in any position make it the ideal choice for any HVAC/R job.

The PDT655 offers readings in either Fahrenheit or Celsius scales and features a reading range of -58-572 °F (-50-300 °C). The large backlit display features a low battery indicator, Min/Max functions, and allows you to designate T1 and T2 to calculate T1-T2. The 5 in. probe allows you to easily get reliable and accurate measurements in either ambient air or direct contact in solids and liquids.

PDT655 is backed by a 1-Year limited warranty.

NOTE: The switch to change the temperature scale from Fahrenheit to Celsius is in the battery compartment next to the battery.