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 5915-01-418-1843
NSN 6130-01-441-9620
NSN 5996-01-332-2320
NSN 5835-00-546-4898
NSN 6610-00-904-4839
NSN 5925-01-381-2528
NSN 5960-01-094-7569
NSN 6620-01-037-0275
NSN 6150-01-332-2347
NSN 6145-01-570-0443
NSN 2925-00-152-1825
NSN 4140-00-136-7679