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 6645-01-414-8806
NSN 6240-00-978-9752
NSN 6220-01-506-3743
NSN 6150-01-307-8266
NSN 2925-01-364-7926
NSN 6620-00-937-5931
NSN 5990-01-561-7802
NSN 7035-01-555-8793
NSN 6105-01-568-3888
NSN 5960-01-026-9005
NSN 5998-01-159-8102
NSN 6685-00-310-2154