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 5920-01-595-6243
NSN 2925-01-218-5556
NSN 5855-00-494-9581
NSN 6105-00-703-1415
NSN 5920-01-363-1426
NSN 6620-00-596-1951
NSN 6105-00-871-9058
NSN 6135-01-584-0941
NSN 5915-01-648-4865
NSN 6130-01-225-1846
NSN 5915-01-277-0721
NSN 6130-00-375-6299