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 6105-00-320-9679
NSN 5895-00-269-3848
NSN 5925-00-078-7653
NSN 5905-01-266-3050
NSN 5835-01-161-7461
NSN 6645-01-400-2119
NSN 5985-01-600-2565
NSN 6320-01-246-4390
NSN 5855-01-481-0819
NSN 5975-01-098-6047
NSN 6650-01-535-6287
NSN 5950-00-572-7784