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 6220-00-244-5040
NSN 5920-01-106-7549
NSN 5990-01-440-7135
NSN 5930-00-124-5170
NSN 4140-00-936-9189
NSN 5835-01-044-2628
NSN 5985-00-244-0842
NSN 5915-00-155-7626
NSN 5855-01-100-3272
NSN 5950-01-658-2801
NSN 6110-01-089-6260
NSN 5920-01-634-0250