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 5996-01-410-8292
NSN 5915-01-261-1777
NSN 5996-01-633-7979
NSN 5975-00-557-7995
NSN 6645-00-392-8728
NSN 6150-00-303-1565
NSN 6620-00-438-5833
NSN 6685-01-154-9655
NSN 2925-01-426-3410
NSN 6110-01-032-5075
NSN 5990-01-312-2638
NSN 5999-00-052-6542