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 6610-01-580-0766
NSN 6620-00-400-4237
NSN 6645-01-509-3221
NSN 5935-00-144-3589
NSN 2925-00-477-2654
NSN 6645-01-480-9847
NSN 4140-01-486-6094
NSN 6240-00-905-6050
NSN 5905-01-089-7055
NSN 5960-00-918-2369
NSN 5925-01-656-0165
NSN 5925-01-250-3925