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 6135-00-557-0174
NSN 5975-00-513-8966
NSN 5925-00-984-3319
NSN 2925-00-037-3995
NSN 5965-00-403-7497
NSN 5945-01-465-1624
NSN 5965-01-567-7984
NSN 5930-01-071-9308
NSN 6145-00-553-8196
NSN 5996-01-502-6330
NSN 5945-01-566-6501
NSN 5998-00-289-9092