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 6150-01-130-8102
NSN 6145-00-205-4046
NSN 5895-00-514-2905
NSN 5985-01-459-2126
NSN 6685-01-561-3810
NSN 5999-01-530-7992
NSN 6130-01-052-5593
NSN 5920-01-387-6998
NSN 5975-01-632-2153
NSN 6650-01-555-7384
NSN 6610-01-316-8902
NSN 5965-00-242-8039