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 5950-01-394-7230
NSN 6610-01-344-0972
NSN 6685-01-458-2774
NSN 5945-00-960-3750
NSN 5960-01-287-4187
NSN 6240-01-490-5054
NSN 6610-01-281-7536
NSN 5925-00-431-3256
NSN 5960-00-734-1828
NSN 5950-01-527-3341
NSN 5985-01-349-6006
NSN 6650-00-207-9639