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 6130-01-231-1561
NSN 5855-00-051-2792
NSN 6150-01-466-3760
NSN 5855-00-779-2854
NSN 5935-00-753-5101
NSN 5945-01-189-9258
NSN 6145-01-277-3270
NSN 6240-00-646-6931
NSN 6150-01-307-8284
NSN 6130-00-048-0907
NSN 6135-01-245-5876
NSN 6150-01-095-5497