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 5910-01-023-9750
NSN 6650-01-364-8504
NSN 6645-00-067-7070
NSN 5895-01-649-3713
NSN 5945-01-613-2162
NSN 6130-00-052-7621
NSN 6220-01-609-6042
NSN 5999-00-203-1202
NSN 6650-01-452-8302
NSN 6240-01-510-8695
NSN 5945-01-079-7500
NSN 6145-00-725-7163