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 6685-00-290-4409
NSN 6240-01-548-4593
NSN 6620-00-948-3801
NSN 5990-00-994-0555
NSN 5905-01-474-3233
NSN 5935-01-115-6659
NSN 6130-01-644-1706
NSN 4140-01-321-3310
NSN 5985-00-597-2966
NSN 5998-01-605-0816
NSN 5999-00-574-7560
NSN 5975-01-473-0076