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 5905-01-585-5602
NSN 6130-01-529-9170
NSN 6145-00-921-7990
NSN 4140-00-977-2489
NSN 5905-01-477-6408
NSN 5945-01-157-7683
NSN 6110-00-238-9636
NSN 6105-00-519-2983
NSN 6610-01-424-9721
NSN 5935-01-375-1263
NSN 5895-00-139-0975
NSN 6150-01-240-6839