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 5925-01-150-8127
NSN 5855-01-495-6457
NSN 6110-00-482-2727
NSN 6320-01-449-1014
NSN 5915-01-135-0631
NSN 6135-01-477-2744
NSN 6135-00-369-2368
NSN 5930-01-453-5282
NSN 5965-01-398-0779
NSN 6650-00-913-8405
NSN 5935-00-905-6986
NSN 6685-01-326-5418