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 5915-01-336-9428
NSN 5835-01-571-4083
NSN 6320-00-139-1090
NSN 5895-00-084-8531
NSN 5925-01-472-4642
NSN 6320-01-116-3980
NSN 6105-00-567-3669
NSN 6130-01-225-0675
NSN 5930-01-610-1315
NSN 5905-01-182-5044
NSN 7035-00-205-1932
NSN 5945-00-179-0799