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 2925-01-121-3355
NSN 5990-00-079-5406
NSN 6685-01-010-3084
NSN 5960-01-499-7172
NSN 6220-01-354-2257
NSN 6110-01-619-5290
NSN 6130-00-512-8692
NSN 6145-01-329-9634
NSN 6650-00-629-8027
NSN 5998-01-129-0236
NSN 2925-01-074-9102
NSN 5965-01-399-8454