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 5905-01-493-3230
NSN 5855-01-501-5683
NSN 5910-01-444-0253
NSN 6685-00-618-3519
NSN 5985-01-211-9126
NSN 5895-01-496-4725
NSN 5920-00-097-7648
NSN 5905-00-287-5053
NSN 6145-01-181-4142
NSN 5950-01-500-1369
NSN 6620-01-067-8336
NSN 6610-01-081-7532