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 5950-01-111-9538
NSN 5915-01-214-9591
NSN 5950-01-451-9128
NSN 6110-01-394-9891
NSN 5935-00-920-6310
NSN 6150-01-272-9154
NSN 5915-01-408-7411
NSN 5990-01-076-8901
NSN 5925-01-193-4305
NSN 6645-00-960-6594
NSN 6685-00-196-5592
NSN 5915-01-654-4812