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 5945-00-935-5266
NSN 5975-00-054-9372
NSN 5925-01-425-8689
NSN 5930-00-185-8023
NSN 5975-01-208-2714
NSN 5915-00-230-4425
NSN 7035-00-126-1899
NSN 2925-01-629-9416
NSN 5950-01-495-5051
NSN 5975-01-290-7638
NSN 6320-01-326-1316
NSN 5855-00-484-8638