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 5930-00-520-5398
NSN 5910-01-322-3878
NSN 5960-01-641-5493
NSN 5930-00-087-1180
NSN 7035-00-981-7216
NSN 5855-01-213-3267
NSN 5945-01-094-2221
NSN 6135-01-238-2878
NSN 6650-00-898-7262
NSN 5965-01-654-3565
NSN 5975-01-481-4338
NSN 5996-01-531-6491