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 5925-00-239-2135
NSN 6620-01-161-0698
NSN 5855-01-364-8193
NSN 5935-01-648-2696
NSN 5945-00-583-7815
NSN 6110-00-409-8125
NSN 5945-00-345-7482
NSN 6685-00-544-3783
NSN 5960-01-334-5146
NSN 5990-00-617-1422
NSN 6220-01-082-2901
NSN 5915-00-629-4294