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 5910-01-336-1925
NSN 7035-01-353-6861
NSN 5920-00-507-5105
NSN 6610-00-491-7511
NSN 5985-01-012-6941
NSN 6130-00-240-4765
NSN 5996-01-237-1615
NSN 5965-00-356-3838
NSN 6320-00-575-6072
NSN 4140-01-376-5877
NSN 5985-01-051-1663
NSN 6145-00-968-6590