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 5998-01-478-2522
NSN 6320-01-631-7828
NSN 5910-01-491-8693
NSN 5910-01-370-1888
NSN 6105-01-514-6890
NSN 6645-01-354-5589
NSN 5915-00-806-2930
NSN 5935-01-323-7838
NSN 6145-00-466-4068
NSN 7035-00-535-8109
NSN 5905-00-080-2498
NSN 5950-01-370-1221