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 6320-00-242-3300
NSN 4140-01-290-5230
NSN 5945-01-445-7162
NSN 6320-00-089-9426
NSN 5835-01-166-7420
NSN 5905-00-100-5250
NSN 5975-01-062-2008
NSN 2925-01-016-3111
NSN 6620-00-905-6590
NSN 6685-01-032-2480
NSN 5930-00-447-0661
NSN 6610-01-067-4359