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 6320-01-504-3948
NSN 5925-00-758-6011
NSN 5996-00-288-1829
NSN 6320-01-089-9086
NSN 5996-01-147-6054
NSN 7035-01-353-6861
NSN 5965-01-135-3679
NSN 5905-00-987-8014
NSN 6135-01-041-3829
NSN 6220-01-599-1993
NSN 4140-00-170-5152
NSN 5910-01-476-3518