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 4140-01-391-2061
NSN 5965-01-142-7862
NSN 6110-00-823-2365
NSN 6320-01-388-1067
NSN 6320-01-214-0350
NSN 6145-01-609-2916
NSN 6130-01-207-4914
NSN 5990-00-067-6791
NSN 5905-01-262-1640
NSN 5915-01-346-8669
NSN 7035-00-997-6212
NSN 6145-00-905-6797