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 6130-01-555-7854
NSN 5945-01-479-0302
NSN 5945-01-383-5900
NSN 5915-01-645-4113
NSN 6650-01-633-9147
NSN 6685-01-513-0309
NSN 5910-01-256-0821
NSN 5945-00-149-1857
NSN 5945-01-088-8071
NSN 7035-01-113-6492
NSN 5998-01-106-6046
NSN 6150-01-241-3725