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 5999-01-278-1804
NSN 5935-01-237-9945
NSN 6135-01-534-3007
NSN 5855-01-020-7982
NSN 6650-00-862-7143
NSN 4140-01-199-7432
NSN 5999-00-098-8790
NSN 5998-01-386-4682
NSN 6650-01-386-1300
NSN 2925-00-536-4574
NSN 5930-00-385-3653
NSN 5910-00-331-9674