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 5910-00-006-9910
NSN 5920-01-398-2247
NSN 6620-01-386-5914
NSN 6685-00-469-2550
NSN 5960-00-866-3443
NSN 5990-01-419-0661
NSN 5915-01-435-1679
NSN 4140-00-961-8005
NSN 5835-01-408-7576
NSN 6150-00-417-3329
NSN 6135-01-142-2417
NSN 5990-00-019-2486