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 5996-01-400-1640
NSN 5925-00-468-2757
NSN 2925-00-845-1480
NSN 4140-01-113-6415
NSN 5996-01-058-1533
NSN 6135-00-835-7211
NSN 5945-00-801-6539
NSN 6650-01-212-3964
NSN 5999-01-339-1111
NSN 2925-01-121-3355
NSN 5996-00-938-3548
NSN 5950-00-931-1970