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 5990-00-223-5938
NSN 5930-00-847-2785
NSN 7035-00-193-2269
NSN 6105-01-350-8772
NSN 6650-01-399-8552
NSN 5835-01-038-4601
NSN 7035-01-468-6532
NSN 6110-00-895-6034
NSN 5945-00-203-1295
NSN 6105-00-756-5206
NSN 5960-01-558-7787
NSN 5975-01-444-1480