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 2925-00-333-4702
NSN 5930-00-248-6608
NSN 6645-01-399-8127
NSN 6130-01-441-0080
NSN 5996-01-096-2766
NSN 6645-01-361-8947
NSN 5895-01-465-5323
NSN 6650-01-158-1871
NSN 6110-00-324-8415
NSN 6645-01-028-2186
NSN 5945-00-929-5230
NSN 6610-01-215-8489