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 6145-01-450-9484
NSN 6620-00-269-5168
NSN 6320-00-405-2348
NSN 5945-00-825-2916
NSN 5950-01-441-3110
NSN 5996-01-258-1967
NSN 5950-01-441-1328
NSN 5925-00-156-4044
NSN 5930-01-336-8039
NSN 7035-01-390-1132
NSN 6645-01-011-6459
NSN 6320-00-925-0558