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 5990-01-561-7802
NSN 5945-00-872-1474
NSN 6135-00-416-2898
NSN 6240-01-525-6585
NSN 5985-00-408-5138
NSN 6645-01-437-9017
NSN 6650-01-081-1537
NSN 5998-01-645-6324
NSN 5945-01-418-8094
NSN 5945-00-844-2341
NSN 5925-01-202-8352
NSN 6685-01-235-0036