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 5999-00-170-4473
NSN 5915-00-683-8248
NSN 5990-00-636-4218
NSN 5930-01-116-0890
NSN 6240-00-985-5244
NSN 5915-01-103-4524
NSN 5895-01-429-8561
NSN 5975-01-515-6723
NSN 6620-01-375-6741
NSN 5999-01-085-5540
NSN 6610-01-097-5073
NSN 5935-01-125-6871