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 5999-00-369-1622
NSN 6135-01-463-3898
NSN 5960-01-215-0992
NSN 2925-01-252-8049
NSN 2925-01-612-0405
NSN 5999-01-109-7864
NSN 5910-01-399-7289
NSN 5905-01-527-7661
NSN 7035-01-271-1643
NSN 5835-01-628-1748
NSN 5998-00-350-8511
NSN 5945-01-265-0990