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 5920-00-806-9475
NSN 5950-00-819-1781
NSN 7035-01-287-9817
NSN 4140-00-952-4047
NSN 5855-01-335-8907
NSN 5985-00-954-3989
NSN 6650-01-272-9746
NSN 6145-00-912-2616
NSN 5855-01-417-3250
NSN 5835-01-478-9428
NSN 5895-01-437-6572
NSN 5999-00-469-1052