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 6110-00-949-9658
NSN 5999-01-027-3613
NSN 2925-01-573-1067
NSN 6105-01-557-8315
NSN 6240-01-166-4517
NSN 6320-01-629-1277
NSN 5975-01-085-4892
NSN 6150-00-134-5774
NSN 6320-00-343-1798
NSN 5855-01-236-4497
NSN 5855-00-053-3142
NSN 6645-01-457-0158