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.
Infrared temperature sensors measure the surface temperature of an object or surface by sensing the infrared radiation given off by the subject. Surface contact sensors attach directly to a surface and measure the temperature via physical contact. Product Line.