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 5915-00-428-4764
NSN 5975-00-591-2224
NSN 6220-01-321-9147
NSN 5895-00-299-1601
NSN 5996-01-633-7979
NSN 6145-01-016-0759
NSN 6645-01-146-8610
NSN 2925-00-225-5386
NSN 5990-01-364-0813
NSN 5945-01-455-5673
NSN 2925-00-983-7521
NSN 6135-01-382-1980