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 5855-01-484-9948
NSN 6110-00-152-8967
NSN 5965-01-091-1884
NSN 5925-01-244-8950
NSN 5855-00-962-5792
NSN 6650-00-176-1911
NSN 5915-01-138-6142
NSN 7035-01-158-7673
NSN 5999-01-634-0576
NSN 5960-00-574-3818
NSN 2925-00-433-5429
NSN 5905-00-496-4026