An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5985-01-102-7047
NSN 6320-00-701-0437
NSN 5960-00-001-1632
NSN 5925-01-021-5365
NSN 5895-01-414-3353
NSN 6110-00-252-6480
NSN 5999-01-419-4617
NSN 5855-00-149-0766
NSN 6105-00-664-1292
NSN 5835-01-426-6573
NSN 5915-01-260-6453
NSN 4140-01-383-1862