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 5999-01-386-0160
NSN 5915-00-232-3387
NSN 4140-01-447-2419
NSN 5925-01-469-0694
NSN 6320-01-521-1764
NSN 6130-01-190-9369
NSN 5935-01-423-2280
NSN 6145-01-364-0074
NSN 6610-00-060-0871
NSN 6130-01-602-9728
NSN 6220-01-596-3176
NSN 5925-01-270-9992