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 5925-01-186-8270
NSN 7035-00-529-3128
NSN 5930-01-110-7095
NSN 5965-01-195-2168
NSN 5985-01-104-5830
NSN 2925-00-242-7688
NSN 6145-01-105-1995
NSN 5920-01-448-9208
NSN 6240-01-607-0870
NSN 6105-01-160-1769
NSN 6110-01-248-8178
NSN 6110-00-494-3056