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 6150-00-089-7057
NSN 6110-00-409-8125
NSN 6320-01-422-1212
NSN 5975-01-492-5505
NSN 6645-01-305-0686
NSN 6610-01-399-7613
NSN 5895-01-172-3203
NSN 6150-01-037-5528
NSN 5985-01-107-8037
NSN 5925-01-431-8886
NSN 5905-01-107-6562
NSN 6110-00-562-3363