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 5930-00-898-0674
NSN 6620-01-287-1443
NSN 2925-01-572-4933
NSN 5905-00-476-5777
NSN 6685-01-380-6838
NSN 5965-01-195-2168
NSN 2925-01-226-6126
NSN 5950-00-013-0799
NSN 5985-01-426-3995
NSN 6150-00-272-7949
NSN 6220-01-420-4460
NSN 5895-00-803-4596