DoD Security Services (Call) Center Functions Transition to DMDC Contact Center. On June 1, 2013, the DoD Security Services (Call) Center (DSS Call Center) transferred various customer service functions to the Defense Manpower Data Center (DMDC) Contact Center.
Depending on the make and model, an infrared thermometer is actually reading the temperature above, below or around where you see the laser. Some infrared thermometers, like the IR Pro Series and the IR-IND are equipped with two lasers.
Digital ear thermometers. Digital ear thermometers, also called tympanic thermometers, use an infrared ray to measure the temperature inside the ear canal. The pros: 1  When positioned properly, digital ear thermometers are quick and generally comfortable for children and adults.