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 -328 °F (1372 to -200 °C) 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 /-0.7 °C 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. Milwaukee® Contact Temperature Meter, Type K Digital, -328 to 2500 °F, 0.1% Reading Accuracy, High Contrast White on Black Display, AA Alkaline Battery, Plastic, Black/Red