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 5920-00-045-4211
NSN 5905-01-485-0234
NSN 2925-01-285-7163
NSN 6320-01-338-5950
NSN 6320-01-454-1965
NSN 5935-01-549-2919
NSN 5905-01-485-1824
NSN 5910-00-577-0040
NSN 5935-01-645-3512
NSN 7035-00-368-0444
NSN 5985-00-466-3574
NSN 6150-01-511-6026