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 6130-01-148-2946
NSN 5905-01-614-8075
NSN 6110-01-425-0502
NSN 5915-00-840-7655
NSN 5990-00-345-8967
NSN 6105-00-664-1292
NSN 6620-01-521-0580
NSN 5996-01-555-7690
NSN 6105-00-686-5317
NSN 6135-01-265-1384
NSN 7035-01-327-4456
NSN 6240-01-508-5052