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 5950-01-313-9822
NSN 5855-01-413-3352
NSN 5935-01-207-3430
NSN 5950-01-187-5984
NSN 5985-01-235-5176
NSN 5950-01-398-3063
NSN 6645-01-549-0935
NSN 6110-00-237-4073
NSN 6650-00-816-6525
NSN
NSN 2925-00-853-5039
NSN 5935-00-987-1493