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 2925-01-394-9658
NSN 6150-01-034-3290
NSN 6130-01-483-0814
NSN 5935-00-935-2310
NSN 6130-01-069-3772
NSN 2925-01-328-0144
NSN 5855-00-198-3197
NSN 5998-01-548-2822
NSN 5930-01-131-2055
NSN 5985-01-004-9414
NSN 6650-01-449-3042
NSN 6110-00-225-9021