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 6110-00-246-3941
NSN 6685-01-350-0823
NSN 7035-00-562-9881
NSN 6610-00-841-1861
NSN 6220-01-556-0559
NSN 6110-01-557-8439
NSN 5999-00-399-1215
NSN 5895-00-244-6750
NSN 5996-00-097-1239
NSN 7035-01-027-2259
NSN 5996-01-016-6937
NSN 6130-01-371-2960