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 5990-01-145-8961
NSN 6220-01-161-6439
NSN 6685-00-186-9190
NSN 5985-00-275-9113
NSN 6150-01-005-0150
NSN 6610-00-277-7206
NSN 5895-01-522-4926
NSN 5910-00-010-9853
NSN 5965-01-191-0735
NSN 5935-00-583-7061
NSN 7035-01-450-6400
NSN 5945-01-442-3903