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 6150-01-497-3664
NSN 6320-01-176-8367
NSN 5895-00-056-1384
NSN 5950-01-451-9128
NSN 6645-00-518-2068
NSN 5945-01-646-0719
NSN 5905-00-534-6556
NSN 5925-00-212-4901
NSN 5855-01-258-6180
NSN 6645-01-654-9639
NSN 5930-00-774-3778
NSN 5999-01-062-0739