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 5998-00-933-7289
NSN 5960-00-248-3094
NSN 5950-01-365-0633
NSN 5985-01-400-5948
NSN 5935-00-933-4580
NSN 5999-01-449-6022
NSN 5920-01-053-0987
NSN 5945-00-238-4897
NSN 4140-01-623-4004
NSN 5990-00-754-2842
NSN 5920-01-137-2410
NSN 6105-00-994-3441