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 6105-01-461-6022
NSN 6620-00-104-6937
NSN 6610-00-622-6227
NSN 5985-01-622-2890
NSN 5855-01-258-5161
NSN 5895-00-563-1672
NSN 5950-00-518-2162
NSN 5999-00-951-1545
NSN 6650-01-355-2964
NSN 4140-01-645-1800
NSN 5999-00-006-2043
NSN 6240-00-573-7514