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 6110-01-326-0402
NSN 5950-01-230-8509
NSN 7035-01-558-5253
NSN 5855-00-762-4833
NSN 5895-01-158-5892
NSN 5996-00-756-9720
NSN 5930-00-624-4923
NSN 6645-01-014-2849
NSN 5996-01-421-4417
NSN 6650-01-646-1643
NSN 5990-01-609-4793
NSN 5910-00-056-3292