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 5996-01-646-5174
NSN 6650-00-617-7573
NSN 6105-00-556-0477
NSN 5920-01-027-3062
NSN 5910-00-201-1874
NSN 5960-01-100-0089
NSN 5855-01-476-4219
NSN 5950-00-605-9641
NSN
NSN 5920-01-140-1120
NSN 6220-00-063-7661
NSN 5925-01-063-7107