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 6150-01-195-4100
NSN 5920-00-300-1843
NSN 5975-00-669-9884
NSN 6650-01-570-7337
NSN 5950-00-159-1571
NSN 5960-00-163-3324
NSN 5920-00-328-4503
NSN 6610-01-152-2821
NSN 6610-01-541-4464
NSN 6135-01-050-3194
NSN 5835-01-347-8714
NSN 6150-01-050-7528