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 6145-01-043-1530
NSN 5905-00-211-4320
NSN 5999-01-080-2644
NSN 6135-01-377-5729
NSN 5905-01-323-7065
NSN 2925-01-178-0063
NSN 6650-01-457-8743
NSN 6685-01-158-6081
NSN 6610-00-277-7206
NSN 5930-00-661-2132
NSN 5910-01-420-3459
NSN 6685-01-204-3252