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 5910-01-466-4082
NSN 6135-01-324-7718
NSN 5935-01-573-4440
NSN 5835-00-224-9148
NSN 5965-00-503-7572
NSN 6685-01-421-5757
NSN 5996-01-372-2154
NSN 5996-00-132-4203
NSN 5960-01-232-7447
NSN 5895-00-773-2926
NSN 5975-00-296-4097
NSN 5855-00-455-6070