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 6685-00-217-9010
NSN 6685-00-113-8949
NSN 6110-00-205-1778
NSN 6620-01-106-3553
NSN 5975-01-027-3140
NSN 6130-01-617-5108
NSN 6320-01-054-3046
NSN 5930-00-276-5567
NSN 6145-01-407-5938
NSN 5960-01-628-2760
NSN 5915-00-283-4450
NSN 5925-01-558-4982