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 5960-00-148-4493
NSN 5835-01-501-0526
NSN 6685-00-893-6390
NSN 5998-01-015-0908
NSN 6685-01-611-4058
NSN 5925-01-106-3641
NSN 6145-00-338-5645
NSN 5935-01-646-6766
NSN 5920-01-062-2953
NSN 5950-01-626-1490
NSN 6610-01-354-7963
NSN 5855-00-174-3482