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 5920-01-168-5771
NSN 5950-01-079-1468
NSN 6645-01-308-9349
NSN 2925-01-354-1752
NSN 6110-00-779-0648
NSN 6105-01-275-1031
NSN 5999-01-057-8412
NSN 6685-01-267-9982
NSN 5975-00-248-2560
NSN 5996-01-650-5762
NSN 6320-01-213-3974
NSN 5999-01-214-3177