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 5905-00-392-5508
NSN 5960-00-193-0620
NSN 5915-01-641-7105
NSN 5835-01-245-8077
NSN 6145-01-401-3713
NSN 5998-01-353-5014
NSN 5945-00-051-5437
NSN 6220-01-104-9679
NSN 5999-01-433-2271
NSN 6220-00-305-0801
NSN 2925-00-010-9609
NSN 2925-01-517-8544