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 6610-01-616-8852
NSN 6610-01-586-8990
NSN 5895-01-188-1542
NSN 4140-01-649-6071
NSN 5990-01-136-4068
NSN 6240-00-526-0243
NSN 5965-01-497-0936
NSN 6650-00-170-5095
NSN 6105-01-013-6725
NSN 6220-00-827-0227
NSN 5915-01-481-3999
NSN 5910-01-439-2029