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 6650-01-224-9024
NSN 5895-01-586-5644
NSN 5925-00-548-7068
NSN 5935-00-491-7610
NSN 5975-00-917-2066
NSN 6610-01-580-0766
NSN 5950-01-563-3467
NSN 5935-01-604-8377
NSN 5935-01-116-2132
NSN 6645-00-527-7258
NSN 5975-01-563-3315
NSN 6685-00-388-8821