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 6620-01-067-8336
NSN 6685-00-890-8410
NSN 6105-01-197-3961
NSN 5990-01-149-0691
NSN 5920-01-541-0443
NSN 5835-01-056-4149
NSN 5925-01-375-6048
NSN 6110-00-418-9363
NSN 6645-01-425-2330
NSN 6135-01-255-9129
NSN 5930-01-379-8820
NSN 2925-01-208-3639