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 6145-01-506-0672
NSN 5965-00-594-3115
NSN 5996-01-542-9499
NSN 5999-01-206-4657
NSN 5925-00-596-2146
NSN 5905-00-060-1971
NSN 5920-01-265-5957
NSN 7035-01-182-1086
NSN 6240-01-497-7901
NSN 6685-00-286-8481
NSN 7035-01-236-4762
NSN 5990-00-186-2445