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 5945-00-887-1992
NSN 5999-01-227-2107
NSN 5915-01-438-5579
NSN 5990-01-263-0362
NSN 6620-01-370-6829
NSN 7035-01-143-3573
NSN 7035-00-946-2642
NSN 6610-00-832-9983
NSN 6220-01-129-5740
NSN 5965-00-653-4782
NSN 6240-01-571-7706
NSN 5945-01-514-7009