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 5960-01-512-0233
NSN 6220-00-269-4556
NSN 4140-01-252-2534
NSN 6650-01-421-2762
NSN 5925-01-272-4330
NSN 5920-01-317-1801
NSN 6645-00-498-6869
NSN 5915-00-777-4296
NSN 6145-01-509-9838
NSN 7035-01-570-5091
NSN 5920-01-423-0805
NSN 5935-01-068-3637