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 5945-00-213-0101
NSN 5895-01-379-6542
NSN 5910-01-523-7207
NSN 5960-01-589-6846
NSN 5905-01-486-1101
NSN 5990-00-269-2226
NSN 5965-01-217-7167
NSN 6145-00-075-4620
NSN 5930-01-556-9115
NSN 5945-01-365-3601
NSN 5855-01-500-6617
NSN 5855-01-516-9915