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 5975-01-466-4290
NSN 5999-01-306-0074
NSN 6645-01-477-0419
NSN 6620-01-578-7561
NSN 5950-01-561-1444
NSN 6110-01-166-1864
NSN 5905-01-602-8750
NSN 5835-01-013-9321
NSN 5965-01-361-9760
NSN 5895-00-788-1845
NSN 6645-01-515-1978
NSN 5999-01-584-2062