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 6240-01-170-3491
NSN 5960-01-066-4771
NSN 5915-01-040-1781
NSN 5920-01-416-0616
NSN 6110-00-188-3414
NSN 6105-01-254-3626
NSN 5960-00-796-1664
NSN 5960-01-595-6515
NSN 5990-00-164-5992
NSN 5945-00-023-6674
NSN 5910-00-226-0608
NSN 5915-01-043-1966