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 6320-01-562-1599
NSN 6145-01-330-4550
NSN 5996-01-305-3342
NSN 5965-01-580-0938
NSN 5855-01-141-8227
NSN 5975-00-111-1226
NSN 5975-01-587-0986
NSN 6145-01-504-0420
NSN 5990-01-347-6080
NSN 6240-01-570-0979
NSN 6240-00-052-3189
NSN 5975-01-484-9266