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 6240-01-308-1848
NSN 5990-01-060-3687
NSN 6645-00-459-3313
NSN 5835-01-561-2959
NSN 5935-00-598-1235
NSN 6145-00-147-5440
NSN 5925-01-058-4971
NSN 5950-01-096-2494
NSN 6650-00-932-2048
NSN 6650-01-388-2538
NSN 5965-01-182-5768
NSN 2925-00-778-0645