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 6610-01-225-7242
NSN 6650-01-447-2858
NSN 5960-01-023-2815
NSN 5915-00-235-3647
NSN 6610-00-042-8461
NSN 5930-00-555-3007
NSN 6130-00-121-4725
NSN 5895-01-582-1193
NSN 5985-01-424-4394
NSN 5895-01-541-5483
NSN 6650-01-201-7591
NSN 6135-01-472-9011