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 4140-01-279-9538
NSN 2925-00-035-5633
NSN 5998-01-313-0210
NSN 5915-01-431-6951
NSN 6320-01-321-7658
NSN 6105-00-527-7702
NSN 7035-01-213-5590
NSN 5925-01-429-0392
NSN 6135-01-561-5945
NSN 6650-01-487-7411
NSN 6110-00-953-1027
NSN 6685-00-446-8238