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 6130-01-507-8877
NSN 5985-01-646-0137
NSN 5950-01-438-3582
NSN 6650-01-053-1816
NSN 5985-00-863-0450
NSN 5945-00-174-6901
NSN 5999-01-423-8982
NSN 5925-00-165-0371
NSN 5999-01-573-5612
NSN 6650-01-317-2101
NSN 5935-01-208-4156
NSN 5996-01-479-2091