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 5895-00-508-1877
NSN 6645-01-235-0892
NSN 5975-01-472-2729
NSN 5990-01-461-8969
NSN 6220-01-522-9115
NSN 5855-01-653-3334
NSN 6145-01-435-5700
NSN 5996-01-004-7832
NSN 6240-01-483-0449
NSN 5915-01-155-2644
NSN 6135-00-175-7132
NSN 5975-00-188-1164