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 5930-00-366-7046
NSN 5945-00-771-7664
NSN 5835-00-153-4100
NSN 5855-01-053-0679
NSN 5895-00-913-9767
NSN 6105-01-108-1243
NSN 6240-00-163-5143
NSN 6620-00-408-1290
NSN 5960-01-308-6421
NSN 5999-00-731-4416
NSN 5998-01-339-0973
NSN 5950-00-227-9970