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 5920-00-499-8285
NSN 6620-00-713-2701
NSN 5925-01-407-8617
NSN 6135-01-079-7852
NSN 5975-01-441-9221
NSN 6110-01-025-0507
NSN 5975-01-164-1157
NSN 5985-01-220-8932
NSN 6610-00-165-5838
NSN 6610-01-281-7536
NSN 5910-00-939-4633
NSN 5945-01-441-1861