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 6240-01-473-5873
NSN 5985-01-067-1203
NSN 5990-00-164-1198
NSN 7035-00-205-1932
NSN 5965-01-579-1871
NSN 6110-00-928-6624
NSN 7035-00-616-4410
NSN 7035-00-421-0468
NSN 6685-00-331-1611
NSN 6105-00-443-4663
NSN 5950-01-136-4158
NSN 5960-01-340-4487