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 5920-00-394-9529
NSN 6685-00-175-6932
NSN 5895-01-391-9753
NSN 5935-01-007-3621
NSN 6105-00-222-8315
NSN 6320-01-160-3730
NSN 5975-01-237-5769
NSN 6320-00-360-1744
NSN 5985-00-622-5421
NSN 2925-01-443-0590
NSN 6150-01-367-4518
NSN 6650-01-467-2355