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 5910-01-105-5137
NSN 5998-01-419-6826
NSN 5975-01-654-7301
NSN 6110-01-212-9568
NSN 6220-01-401-5337
NSN 5975-01-060-3894
NSN 6240-01-633-9357
NSN 5925-01-413-1258
NSN 6610-00-841-6509
NSN 6320-01-219-5174
NSN 5925-01-324-6032
NSN 6320-01-006-6138