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 6685-00-290-6151
NSN 6105-00-907-8170
NSN 6320-00-228-5678
NSN 5960-01-357-1261
NSN 6645-01-392-9615
NSN 5935-00-893-9461
NSN 5925-01-382-4907
NSN 6610-00-308-9034
NSN 6240-00-822-4571
NSN 5975-01-458-0312
NSN 5999-01-492-5475
NSN 6135-01-041-3829