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.
As the AirRam is a cordless vacuum cleaner, it will need to be charged before use. Gtech says the vac will work for 40 minutes without losing suction, and there is a clear 'battery remaining' indicator to show how much charge is left.