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 5985-01-610-6951
NSN 5996-01-176-8878
NSN 5945-01-442-7796
NSN 6110-01-207-0658
NSN 6135-00-840-6451
NSN 5930-01-161-7228
NSN 5905-00-999-9210
NSN 5985-00-961-6004
NSN 5960-01-353-3972
NSN 6240-01-627-3466
NSN 6650-01-630-3410
NSN 5930-01-502-7156