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 5910-01-201-8086
NSN 5950-01-576-8710
NSN 5925-01-439-2867
NSN 5895-00-532-7081
NSN 5910-01-444-4096
NSN 6620-01-179-0779
NSN 5915-00-539-0821
NSN 5945-01-403-2800
NSN 6105-01-244-9373
NSN 6645-01-391-6492
NSN 5930-01-307-4743
NSN 5950-01-487-3750