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 5910-01-025-6987
NSN 6610-01-527-8006
NSN 4140-01-146-5409
NSN 5990-01-004-6343
NSN 6105-01-462-5849
NSN 6105-01-401-5361
NSN 5915-00-930-7547
NSN 5998-01-440-4052
NSN 6240-00-988-3839
NSN 6240-01-440-1067
NSN 5930-00-815-5739
NSN 6320-01-056-1164