February 8, 2017. The National Institute of Standards and Technology (NIST) is a standards laboratory that is part of the U.S. Department of Commerce. The NIST traceable calibration refers to a program that certifies that the equipment used by labs or manufacturing facilities is properly calibrated according to the industry standards in place.
Quick Answer. VAC is an electrical voltage in an alternating current circuit. The power system supplying homes and businesses in the United States uses AC 120 V, while in Europe the system uses AC 240 V. Continue Reading.
Vacuum-assisted closure (VAC) is a simple but effective method to promote rapid wound-healing. In recent years it has been shown to be an effective therapy for the management of large, complex, acute wounds as well as chronic wounds that have failed to heal by conventional methods (Joseph et al, 2000).acuum-assisted closure (VAC) is a simple but effective method to promote rapid wound-healing. In recent years it has been shown to be an effective therapy for the management of large, complex, acute wounds as well as chronic wounds that have failed to heal by conventional methods (Joseph et al, 2000).