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 6220-01-599-4921
NSN 5998-01-609-7238
NSN 5930-01-341-7424
NSN 6650-01-235-7555
NSN 6650-01-533-1267
NSN 5935-00-356-5570
NSN 5925-01-255-9471
NSN 5895-00-221-6557
NSN 5945-01-576-8492
NSN 5975-01-063-8749
NSN 5999-00-007-7686
NSN 5945-01-322-7960