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 6650-01-307-6009
NSN 5996-00-677-0268
NSN 5985-01-255-2158
NSN 6645-01-025-1002
NSN 5835-01-319-4636
NSN 5935-00-930-4969
NSN 7035-01-158-7673
NSN 5915-00-887-0188
NSN 5920-01-013-8594
NSN 6150-01-372-7472
NSN 6610-00-848-4764
NSN 5935-01-358-3428