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 5990-01-373-9992
NSN 6645-01-286-9115
NSN 5996-01-088-7074
NSN 5945-01-373-4883
NSN 6105-01-176-6857
NSN 6685-01-149-1708
NSN 5925-01-602-6804
NSN 5999-01-370-1161
NSN 6645-01-400-2119
NSN 6650-00-914-6897
NSN 5985-01-401-5387
NSN 5990-00-486-0506