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 5945-00-802-1738
NSN 5935-01-561-6370
NSN 6645-01-625-4810
NSN 5960-01-157-2641
NSN 5960-01-005-9530
NSN 5930-01-016-1706
NSN 6145-01-464-1920
NSN 5930-01-013-5423
NSN 6135-01-426-4157
NSN 6150-00-477-5294
NSN 5855-01-645-8185
NSN 6220-00-682-8292