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 5999-01-506-5737
NSN 5975-00-511-7206
NSN 6645-00-925-0111
NSN 5950-01-231-7013
NSN 5965-01-415-0872
NSN 5999-01-149-5826
NSN 5975-00-469-1443
NSN 5855-01-348-6690
NSN 5996-01-027-7492
NSN 5985-00-170-6768
NSN 5930-01-615-1050
NSN 5930-00-007-7161