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 6105-00-079-2409
NSN 6620-01-421-6949
NSN 6240-01-249-2284
NSN 5960-01-357-1261
NSN 6130-01-118-4654
NSN 5996-00-752-6007
NSN 6110-01-631-4455
NSN 6240-00-939-2641
NSN 5975-01-227-2722
NSN 6110-01-224-1102
NSN 6610-01-628-6044
NSN 7035-00-727-4068