Heavy duty contact temperature meter for professional industrial, commercial and residential applications. The perfect tool for the professional, commercial or industrial HVAC and Service technicians; includes the features that are needed to get the job done in the field, on-site or in the plant. Milwaukee 2270-20 Contact Temp Meter measures temperatures from 2500 to -328F (1372 to -200C) to cover a wide range of applications; dual temperature measurement for faster measurement of heating and cooling systems; timer function for easy tracking of minimum, maximum and average temperatures over time; accurate to 0.1% of reading 0.7C for correct measurements every time; high contrast white on black display for easy reading in all conditions; magnet strap for hanging meter in all applications. Includes two (2) K-type thermocouples, three (3) AA batteries, and manual; covered by 5 year warranty.