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 6110-01-391-6497
NSN 6135-01-201-5858
NSN 6320-01-339-9974
NSN 5999-01-163-1416
NSN 6105-01-186-6988
NSN 5925-01-634-0664
NSN 5998-01-047-3893
NSN 6145-01-432-2679
NSN 5950-01-274-5271
NSN 5835-01-132-5894
NSN 5920-01-305-0721
NSN 5960-00-644-4982