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 5835-01-549-2911
NSN 6145-01-442-6503
NSN 5915-00-236-2763
NSN 5915-01-577-3870
NSN 5945-00-221-6529
NSN 5960-00-151-7573
NSN 6320-01-532-7491
NSN 5965-00-568-5802
NSN 6610-00-597-5671
NSN 5935-01-284-3918
NSN 5985-00-296-7656
NSN 5999-00-022-9130