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 6220-01-178-4652
NSN 5910-00-903-0716
NSN 5835-00-257-2852
NSN 6610-01-440-0604
NSN 5855-01-281-6689
NSN 5945-01-347-7162
NSN 6135-00-334-4500
NSN 6650-01-625-2987
NSN 5999-00-814-2526
NSN 6645-01-247-4549
NSN 6685-01-480-5324
NSN 5945-01-222-0318