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 5895-01-647-5464
NSN 6685-01-319-6680
NSN 6645-01-521-4383
NSN 5990-01-507-7495
NSN 2925-00-596-9775
NSN 5920-00-978-1162
NSN 6150-01-328-8604
NSN 5999-01-347-0635
NSN 6685-00-311-5700
NSN 5998-01-089-8700
NSN 7035-00-231-2871
NSN 5925-01-597-1422