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 6320-01-216-1678
NSN 2925-00-808-5077
NSN 5895-01-512-8605
NSN 5998-01-336-3451
NSN 6150-00-515-0764
NSN 5920-00-689-1533
NSN 5925-01-361-4275
NSN 6240-00-600-7138
NSN 6135-00-904-6780
NSN 6620-00-992-5876
NSN 5915-00-481-2831
NSN 6610-01-156-0810