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 5895-01-303-6892
NSN 4140-01-179-8299
NSN 5975-01-249-6803
NSN 6650-00-364-7866
NSN 5895-00-530-5310
NSN 6110-01-285-8336
NSN 5950-00-088-2651
NSN 5835-01-392-7683
NSN 5910-01-418-1789
NSN 5998-01-545-5580
NSN 6130-01-287-9841
NSN 5920-00-980-0121