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 6320-01-512-2031
NSN 6685-00-232-3239
NSN 5905-01-315-6322
NSN 6135-01-168-2944
NSN 2925-01-301-1727
NSN 6320-01-050-1290
NSN 5910-00-409-0309
NSN 5930-01-486-5397
NSN 6105-01-651-2658
NSN 5950-01-531-5525
NSN 5999-01-527-8325
NSN 5905-01-137-2257