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 6130-00-441-3417
NSN 5998-01-055-1839
NSN 6150-00-891-7922
NSN 6145-01-047-2080
NSN 6110-00-244-0427
NSN 5999-01-055-1734
NSN 5910-00-290-8093
NSN 5835-01-262-5001
NSN 6105-00-469-6170
NSN 7035-00-991-6877
NSN 5905-00-193-1898
NSN 5835-01-149-2442