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 6105-01-357-6320
NSN 5960-00-739-3357
NSN 6145-00-713-5189
NSN 5960-01-166-7480
NSN 2925-01-196-6187
NSN 6130-01-207-0755
NSN 5920-01-235-6477
NSN 5996-01-251-3640
NSN 6240-00-018-6528
NSN 5835-01-364-6830
NSN 5835-01-464-2662
NSN 5920-01-337-6535