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 5935-01-317-4559
NSN 6130-01-433-2918
NSN 5835-01-439-0180
NSN 5925-00-922-7604
NSN 4140-01-302-4487
NSN 5915-01-608-9318
NSN 6650-00-838-8632
NSN 5855-01-383-6860
NSN 5910-00-549-2490
NSN 5996-01-648-3366
NSN 4140-00-482-2668
NSN 5920-01-278-9239