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 6610-01-564-7464
NSN 5990-01-400-3299
NSN 5910-01-176-0606
NSN 6610-01-043-5162
NSN 6135-01-124-2376
NSN 5996-01-023-7896
NSN 6110-01-373-8483
NSN 5855-00-149-0766
NSN 5945-01-278-8991
NSN 6130-01-118-2294
NSN 5935-01-154-7058
NSN 5999-01-467-1952