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 5996-00-823-6081
NSN 5965-01-110-9102
NSN 6685-00-453-0178
NSN 5895-01-425-0773
NSN 5910-01-454-2519
NSN 5925-01-091-2756
NSN 4140-01-425-1725
NSN 6685-01-148-4588
NSN 5935-01-049-7922
NSN 5930-01-235-3237
NSN 6240-01-063-0339
NSN 2925-01-027-1293