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 5998-01-634-0604
NSN 6220-00-316-2500
NSN 7035-01-606-1797
NSN 5905-01-246-6090
NSN 6150-00-347-0520
NSN 5985-00-461-5187
NSN 6685-01-159-6352
NSN 6685-01-424-3237
NSN 6150-01-444-1012
NSN 4140-01-126-5989
NSN 6320-01-152-8873
NSN 5910-01-188-8442