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 5990-01-076-6858
NSN 5996-01-544-0135
NSN 2925-00-338-4667
NSN 5910-01-190-8005
NSN 6130-01-432-7890
NSN 7035-01-624-4040
NSN 5910-00-174-3623
NSN 5920-01-319-0263
NSN 5905-01-273-5447
NSN 6685-01-449-0699
NSN 6220-00-084-0174
NSN 5930-01-143-7669