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 5930-01-619-1305
NSN 6650-01-197-4585
NSN 5999-01-521-3919
NSN 5930-00-732-1303
NSN 5985-01-136-0772
NSN 5998-01-015-3193
NSN 5960-01-122-4470
NSN 6130-01-658-9208
NSN 6145-00-932-1950
NSN 5945-00-276-3189
NSN 6105-00-118-1508
NSN 6105-01-317-3657