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 5895-00-449-3380
NSN 5905-00-204-9861
NSN 6220-01-401-5337
NSN 5990-01-380-0650
NSN 6220-00-320-7408
NSN 5935-00-554-9244
NSN 6620-01-564-9870
NSN 5998-00-727-4426
NSN 5905-01-634-0595
NSN 6620-00-724-1263
NSN 6145-00-201-1330
NSN 2925-01-185-9144