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 5990-00-285-1948
NSN 6620-00-058-5225
NSN 6105-00-596-2163
NSN 6105-01-004-7890
NSN 5925-01-406-4093
NSN 5945-01-165-2739
NSN 5935-01-068-3637
NSN 6220-01-441-6713
NSN 6610-01-357-5957
NSN 6610-00-924-8157
NSN 5935-01-529-6255
NSN 5945-01-536-3610