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 5998-01-528-8976
NSN 6130-00-221-5728
NSN 5920-01-130-8411
NSN 5855-01-590-5087
NSN 5930-01-368-3765
NSN 5895-01-425-5721
NSN 6645-01-108-2890
NSN 5996-00-116-7498
NSN 5930-00-140-0548
NSN 5975-00-318-4623
NSN 5925-01-181-4116
NSN 5910-01-188-8442