Non-contact Infrared Thermometers provide an immediate surface temperature. Simply point the infrared (some available with a visible laser) directly at an area to obtain its surface temperature. Infrared thermometers are perfect for measuring items in display cases, salad bars and buffets without contacting the food and so preventing cross-contamination.  They are also ideal for checking moving machinery, pipes, wires and overhead equipment in any kitchen or cafeteria.

Cooper Atkins Models 480 and 481 come with a built-in insertion probe to obtain internal food temperatures and Model 412 accepts any Type K thermocouple probe.

D:S (Distance to Spot Ratio)
The further away from the object, the larger the surface area measured.  Optical resolution is expressed as a ratio of the distance to the resolution spot divided by the diameter of the spot. An infrared thermometer with a larger D:S ratio will provide a more accurate reading at a distance (e.g. 12:1 is more accurate than 6:1).