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 5975-01-334-0774
NSN 6135-00-284-1406
NSN 6320-01-607-1491
NSN 6620-00-151-5363
NSN 5998-01-444-8937
NSN 6685-00-122-4913
NSN 6620-00-909-3984
NSN 5895-00-920-6986
NSN 5930-01-375-3515
NSN 5935-00-163-5076
NSN 6135-01-315-4328
NSN 5950-01-274-0319