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 6105-01-557-4372
NSN 5935-01-634-0668
NSN 5910-01-227-7525
NSN 6105-01-336-9316
NSN 5835-01-058-9960
NSN 6610-00-240-5437
NSN 5945-01-113-7250
NSN 6105-01-477-5508
NSN 6150-00-519-1334
NSN 5975-00-964-4510
NSN 4140-01-604-7400
NSN 5950-01-525-4895