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 6135-00-583-3966
NSN 6110-01-115-3871
NSN 5925-01-051-5537
NSN 5965-01-341-4036
NSN 6650-01-582-1454
NSN 5835-00-198-4936
NSN 5910-00-353-6649
NSN 5895-01-130-5513
NSN 5975-01-415-4283
NSN 5990-00-518-3195
NSN 6145-01-319-7763
NSN 6645-00-177-4729