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 5925-01-019-1983
NSN 5855-01-100-3272
NSN 5915-00-496-6447
NSN 6650-01-082-9773
NSN 5950-00-993-6396
NSN 5950-01-213-6446
NSN 6150-01-086-2461
NSN 5945-01-201-4496
NSN 6685-00-451-6941
NSN 6220-01-158-0918
NSN 5935-01-427-3822
NSN 6685-01-607-5219