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 5975-01-595-7600
NSN 2925-01-362-2515
NSN 5945-01-382-8711
NSN 6620-00-709-7389
NSN 5998-01-064-0495
NSN 5935-00-237-7714
NSN 6685-01-093-4682
NSN 6110-01-395-6574
NSN 5965-01-005-0341
NSN 6685-01-399-8584
NSN 5965-01-094-1796
NSN 5920-00-146-5071