scope:

This commercial item description (CID) describes a DC Voltage Standard, hereinafter referred to as a Voltage Reference and DC Standard. The Voltage Reference and DC Standard provides accurate reference values of voltage for the calibration of test measurement and diagnostic equipment used in support and or development, repair and maintenance of navigational aids, radio frequency communications equipment and other measurement equipment. This CID lists the minimum performance, design, functional, environmental, reliability requirements and quality assurance provisions for the electronic calibrator.