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 5965-00-946-6692
NSN 5915-01-183-9326
NSN 6110-00-947-4127
NSN 6110-00-492-9392
NSN 5910-00-900-4436
NSN 5975-00-825-9353
NSN 6620-01-156-4641
NSN 5990-01-011-0683
NSN 5905-01-041-4727
NSN 6220-01-553-6748
NSN 6220-01-430-0442
NSN 4140-01-089-8004