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 6685-01-425-3128
NSN 6240-00-825-6560
NSN 6620-01-140-0968
NSN 5965-00-831-2134
NSN 6220-00-200-7888
NSN 2925-01-381-5307
NSN 6110-01-546-3680
NSN 5960-01-370-4285
NSN 5920-00-139-3736
NSN 5998-01-523-3652
NSN 5998-01-099-1822
NSN 6610-01-606-8788