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 5910-01-542-8835
NSN 7035-01-049-6776
NSN 5920-01-605-3102
NSN 6105-00-456-1433
NSN 5895-01-488-4551
NSN 5998-01-429-8441
NSN 2925-01-646-9112
NSN 5945-01-557-6405
NSN 6130-01-026-8932
NSN 5999-01-621-6009
NSN 6145-00-388-9084
NSN 6135-01-437-6409