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 6645-01-046-8849
NSN 5935-01-419-6080
NSN 5975-00-189-0857
NSN 5990-01-243-4233
NSN 2925-00-627-5397
NSN 5895-01-374-2812
NSN 2925-00-939-1979
NSN 6685-01-543-0860
NSN 5998-01-534-8277
NSN 6645-01-137-7974
NSN 5999-00-862-7797
NSN 6110-00-539-9543