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 6685-01-273-3139
NSN 6110-01-474-6854
NSN 6685-01-123-9275
NSN 5975-00-130-5682
NSN 5999-00-186-9314
NSN 5935-00-952-6458
NSN 5915-01-556-9188
NSN 5905-00-559-0607
NSN 6620-01-586-2922
NSN 6110-00-571-8466
NSN 5990-01-517-7848
NSN 5915-01-626-0583