Eti 860 845 raytemp 8 kit infrared thermometer eti 860 845 this infrared thermometer kit from eti features a portable gun shaped infrared thermometer which is compact lightweight and easy to use simply aim and pull the trigger to display the temperature of the item being measured from 60 to 500 deg c p the instrument has a clear easy to read lcd display with low battery indication and incorporates an auto power off facility that turns the instrument off after 60 seconds maximising