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 5965-00-906-1442
NSN 5920-01-488-6605
NSN 5999-01-317-5109
NSN 5985-01-463-9112
NSN 5905-01-478-0132
NSN 5835-01-087-9515
NSN 5925-01-281-8076
NSN 6240-00-212-4305
NSN 5998-01-592-9312
NSN 6150-00-311-3105
NSN 5835-01-580-0446
NSN 5985-01-214-2082