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 6610-00-866-4348
NSN 5925-01-044-2689
NSN 5930-01-146-5546
NSN 5945-01-161-6202
NSN 6240-01-186-3273
NSN 6620-01-633-8443
NSN 6105-01-066-5182
NSN 5895-00-456-0830
NSN 5975-01-579-3980
NSN 5965-01-422-1392
NSN 6320-01-578-6006
NSN 5895-01-204-2726