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 4140-00-185-9694
NSN 5965-00-510-4301
NSN 6150-01-482-1329
NSN 5920-01-200-6655
NSN 5895-00-403-8707
NSN 4140-00-618-0530
NSN 5935-01-394-0733
NSN 7035-01-102-3788
NSN 5960-00-258-9292
NSN 6105-01-044-8956
NSN 5999-01-144-9448
NSN 5935-00-081-0540