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 5996-01-645-2096
NSN 6220-01-141-6900
NSN 5998-00-671-1242
NSN 5945-01-457-1696
NSN 5905-01-403-2806
NSN 5910-00-201-1874
NSN 5950-01-326-5492
NSN 6685-01-270-0251
NSN 4140-00-823-9194
NSN 6150-01-029-4118
NSN 4140-01-364-0109
NSN 5915-00-757-9875