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 2925-01-024-2662
NSN 5975-01-555-0547
NSN 6320-01-473-9024
NSN 6620-00-394-1812
NSN 5945-01-497-8125
NSN 6130-00-010-9394
NSN 6620-01-415-5803
NSN 6610-01-044-4740
NSN 2925-01-230-8057
NSN 6110-01-536-9792
NSN 5950-00-434-9296
NSN 5960-01-399-4327