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 5996-01-493-1858
NSN 5998-01-153-1179
NSN 5998-00-109-1699
NSN 6145-01-634-0388
NSN 5975-01-336-2867
NSN 5835-00-170-5238
NSN 5996-00-445-5954
NSN 6685-00-248-6990
NSN 6685-01-508-5042
NSN 6135-01-647-5692
NSN 6110-01-215-1006
NSN 5990-00-152-3929