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 6650-01-424-3947
NSN 5905-01-317-7670
NSN 7035-00-529-3128
NSN 6130-01-233-0379
NSN 6240-01-573-7036
NSN 2925-00-480-9068
NSN 7035-00-188-6674
NSN 6650-01-412-1040
NSN 5990-00-090-3829
NSN 5920-01-398-7123
NSN 2925-01-620-6812
NSN 6650-00-518-2700