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 5855-00-132-4898
NSN 5935-01-494-2971
NSN 4140-00-861-5399
NSN 2925-00-934-8383
NSN 6220-01-467-9608
NSN 5945-01-159-9778
NSN 6620-00-329-3763
NSN 6145-01-028-4494
NSN 5960-00-920-7996
NSN 6145-01-195-3802
NSN 2925-01-092-7335
NSN 5975-01-288-6339