An item which provides continual quantitative visual indication of cyclic variations between two or more phases of electrical energy, warning upon departure from predetermined phase variation limits. May initiate an audible warning. See also panel, monitor.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5990-01-147-5225
NSN 6110-01-155-9446
NSN 6240-01-456-9583
NSN
NSN 7035-00-155-9513
NSN 5996-00-859-3188
NSN 7035-00-483-3663
NSN 2925-00-087-2465
NSN 6130-01-449-1178
NSN 6150-00-379-2630
NSN 5996-01-551-7770
NSN 7035-00-753-0695