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 6620-00-583-2687
NSN 6150-01-574-7191
NSN 5855-01-579-3864
NSN 5960-00-389-2915
NSN 5920-01-171-4902
NSN 5905-01-565-0018
NSN 6130-01-127-6266
NSN 5950-01-609-3897
NSN 6620-01-458-8074
NSN 5965-01-204-8505
NSN 5930-00-269-4996
NSN 5999-00-651-1685