An instrument specifically designed to measure the amplitude and frequency of the constituents of a complex electrical wave form. May include transducer mechanism for converting sound pressure into electrical energy.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 2925-01-454-2046
NSN 5935-01-012-2565
NSN 5996-00-471-0540
NSN 6145-01-045-4405
NSN 5905-00-656-2442
NSN 5905-00-129-6554
NSN 6150-01-364-6753
NSN 6685-01-575-1576
NSN 5945-01-415-0858
NSN 6320-01-564-0893
NSN 5930-01-517-1256
NSN 4140-00-908-2763