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 6620-01-197-3975
NSN 5999-01-361-1962
NSN 6110-01-286-5512
NSN 2925-01-462-1620
NSN 6610-01-558-1815
NSN 6650-00-242-7961
NSN 5990-00-800-2521
NSN 6145-01-503-8534
NSN 5990-00-275-7819
NSN 5935-01-389-8889
NSN 6110-01-480-6316
NSN 6105-01-350-9691