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 5998-01-127-2821
NSN 5945-01-464-4339
NSN 6135-00-269-5843
NSN 5915-00-583-4970
NSN 6650-01-254-3048
NSN 5996-01-303-0475
NSN 5998-00-470-7826
NSN 6105-00-708-8517
NSN 6645-01-438-6986
NSN 5915-01-271-0007
NSN 4140-01-408-2985
NSN 6145-01-308-7484