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 5930-00-756-9701
NSN 6620-01-137-4228
NSN 6620-00-992-1537
NSN 6135-01-046-6803
NSN 5975-01-613-8314
NSN 5996-01-208-5045
NSN 5920-01-384-2633
NSN 6110-01-546-2029
NSN 5920-00-212-7505
NSN 5930-00-655-9288
NSN 5925-01-232-1318
NSN 6105-01-306-4618