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 5930-01-386-2415
NSN 5915-00-232-7404
NSN 5910-01-447-2212
NSN 5895-01-468-5582
NSN 5920-01-535-0796
NSN 5998-01-188-3351
NSN 6145-01-414-4207
NSN 5990-01-571-3593
NSN 5990-01-541-5632
NSN 5895-00-269-3848
NSN 6145-01-258-6101
NSN 6240-00-503-6632