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.
exists and is an alternate of . I'm assume by VA you mean Volt-Amperes. VA is a measurement for Reactive Power. In simplest of ways you can think of 10 VA as 10 watts. Usually VA is used for transformers to denote how much electrical energy is being transformed.