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 5930-00-786-0139
NSN 5835-01-191-3405
NSN 5910-01-035-6724
NSN 5950-01-031-3257
NSN 6135-01-456-2924
NSN 6105-00-837-0707
NSN 5945-01-050-4783
NSN 6135-01-633-8502
NSN 5920-01-459-5823
NSN 5895-01-201-7700
NSN 2925-00-951-0150
NSN 5915-00-391-5735