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 6135-01-475-2428
NSN 5945-01-190-7323
NSN 5960-00-672-3836
NSN 6620-01-582-2046
NSN 4140-00-274-3333
NSN 5935-00-794-8927
NSN 5895-01-632-8665
NSN 5965-01-446-6945
NSN 6685-01-587-5866
NSN 6620-00-113-1380
NSN 5965-01-627-3774
NSN 6650-01-285-4546