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 5895-01-199-4252
NSN 6610-01-363-9745
NSN 7035-01-327-4017
NSN 5999-01-441-1834
NSN 6220-00-929-8612
NSN 2925-00-253-1655
NSN 5925-01-384-6147
NSN 5998-01-485-9530
NSN 5905-01-392-7458
NSN 5910-00-266-8438
NSN 5990-00-053-1646
NSN 5910-00-584-2647