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 2925-01-380-0869
NSN 5975-01-346-8145
NSN 6610-00-113-9176
NSN 5905-01-274-3225
NSN 6685-01-151-3991
NSN 5925-01-334-2930
NSN 5985-01-278-5290
NSN 6130-01-222-0475
NSN 4140-01-632-1903
NSN 6110-01-535-7162
NSN 6110-00-162-5519
NSN 6150-01-101-6741