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 5960-01-157-7009
NSN 5915-01-618-9431
NSN 5950-01-416-3420
NSN 5990-01-584-8363
NSN 5950-01-442-9335
NSN 5910-00-914-9051
NSN 5925-01-512-8126
NSN 5925-01-423-0079
NSN 6240-00-063-4359
NSN 5996-00-758-4088
NSN 5975-00-322-6274
NSN 5855-00-149-0766