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 5905-01-220-6663
NSN 5996-01-164-8266
NSN 6650-01-541-0506
NSN 5996-01-009-5482
NSN 5910-01-173-5061
NSN 5945-00-591-6261
NSN 4140-01-511-7688
NSN 2925-00-833-9466
NSN 6105-00-988-2471
NSN 5950-01-446-6903
NSN 6130-01-414-7084
NSN 5985-01-045-9712