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 2925-01-263-3638
NSN 5915-00-787-7019
NSN 6145-01-552-0654
NSN 5905-01-378-6024
NSN 5855-00-997-6225
NSN 6620-01-552-2889
NSN 5935-01-113-3021
NSN 6110-01-033-8401
NSN 5915-01-267-5141
NSN 6150-01-274-4903
NSN 5910-00-080-1766
NSN 5985-01-410-8737