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 5999-01-266-4622
NSN 5975-00-239-9784
NSN 5990-01-633-9503
NSN 5895-01-138-3107
NSN 6220-00-681-2707
NSN 5915-00-597-2369
NSN 6150-01-556-0774
NSN 5925-00-050-2938
NSN 5975-01-123-9111
NSN 6135-01-113-1507
NSN 5910-00-872-3175
NSN 2925-00-555-8836