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 5915-01-383-9762
NSN 5915-01-550-4839
NSN 6240-01-454-1029
NSN 5945-00-262-2968
NSN 6240-01-472-2950
NSN 6150-00-876-7920
NSN 6130-01-419-0328
NSN 6320-00-886-9771
NSN 5915-01-293-0070
NSN 5925-01-612-1007
NSN 5999-00-932-2509
NSN 5935-00-413-1128