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 6105-01-380-8914
NSN 5835-00-804-0569
NSN 6320-01-242-8355
NSN 5998-01-469-7839
NSN 6620-01-474-4951
NSN 5950-00-961-8288
NSN 5996-01-633-7979
NSN 5975-01-602-7830
NSN 5999-00-045-7981
NSN 5895-01-065-1659
NSN 5835-01-519-3834
NSN 5905-01-422-1670