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 5945-00-189-6391
NSN 5895-01-239-4955
NSN 5965-00-567-7679
NSN 5965-01-287-7235
NSN 5950-00-004-7738
NSN 4140-01-223-0116
NSN 5999-01-023-4980
NSN 6135-00-686-4777
NSN 6240-00-388-6479
NSN 5945-00-003-4845
NSN 6110-01-407-5706
NSN 5960-00-098-8847