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 5905-01-425-6120
NSN 5930-01-399-4527
NSN 5910-01-069-5063
NSN 5915-00-773-6475
NSN 6610-00-382-0266
NSN 5910-01-644-6442
NSN 7035-00-978-7837
NSN 5920-01-526-0653
NSN 5920-01-407-5502
NSN 5935-01-621-0390
NSN 5910-01-417-3160
NSN 6650-00-361-8222