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 5930-00-224-5098
NSN 6220-01-289-6492
NSN 7035-01-049-6776
NSN 6610-00-492-9872
NSN 6650-01-160-9160
NSN 4140-01-324-1707
NSN 6110-00-904-3328
NSN 7035-01-613-6287
NSN 6150-00-042-9966
NSN 6150-01-591-5194
NSN 6145-01-562-8763
NSN 5905-01-140-1364