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 6130-00-354-0251
NSN 6650-01-037-1948
NSN 6135-00-938-1351
NSN 5996-01-219-1850
NSN 5999-01-186-7262
NSN 5975-01-062-0960
NSN 5855-01-519-7929
NSN 5935-00-248-3188
NSN 6645-01-054-7101
NSN 6110-01-211-4714
NSN 6240-00-818-1364
NSN 5930-01-168-8069