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 6240-01-055-5193
NSN 6130-01-281-9587
NSN 6240-00-406-7335
NSN 6150-00-491-9654
NSN 5950-01-158-5041
NSN 5965-01-378-0114
NSN 5925-01-481-5623
NSN 6320-01-389-8128
NSN 5855-01-657-5917
NSN 5990-00-056-9775
NSN 6150-00-624-8718
NSN 5835-00-233-6327