By line selector sw, 135 ohms input equals 4500 ohms nomsnal; 600 ohms line input equals 20000 ohms
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 6150-01-224-2899
NSN 5996-01-480-8956
NSN 6320-01-648-5538
NSN 5910-01-536-8291
NSN 6650-01-561-4608
NSN 5999-01-299-7282
NSN 5910-01-157-9362
NSN 5945-01-289-1173
NSN 5998-01-026-4132
NSN 5960-00-232-2512
NSN 6105-01-180-7066
NSN 5945-01-625-5918