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 6620-01-417-4081
NSN 5950-01-273-4273
NSN 5960-01-485-2467
NSN 5915-01-446-7238
NSN 6145-00-785-4112
NSN 5925-01-464-1195
NSN 5999-01-333-3862
NSN 6150-01-362-4797
NSN 5855-00-688-9954
NSN 5910-01-370-3443
NSN 5990-01-271-1628
NSN 5985-01-147-5470