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 5935-01-580-0221
NSN 6650-01-336-8197
NSN 6145-00-011-2390
NSN 5960-01-095-2984
NSN 5945-01-395-6047
NSN 5960-00-285-1001
NSN 5855-01-020-7982
NSN 6105-01-425-6487
NSN 2925-00-445-4054
NSN 5930-01-181-5605
NSN 4140-00-952-2287
NSN 6240-00-861-2592