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 6610-01-006-3255
NSN 5915-01-497-2821
NSN 5925-01-220-6147
NSN 6105-00-901-2455
NSN 4140-01-444-1746
NSN 6130-00-403-2044
NSN 7035-01-529-4603
NSN 6650-00-344-9500
NSN 5965-01-247-5696
NSN 5920-00-165-9160
NSN 5920-01-254-2753
NSN 6650-01-537-0443