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 5998-00-493-1679
NSN 5965-00-170-5254
NSN 5920-01-072-9158
NSN 5930-01-592-2238
NSN 6150-00-862-3247
NSN 5985-01-553-0672
NSN 6110-01-249-5038
NSN 6130-01-158-6139
NSN 5965-01-189-4805
NSN 5990-00-782-1400
NSN 5910-01-067-7353
NSN 6220-01-507-9820