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 5965-01-413-7290
NSN 5965-00-400-6228
NSN 6620-01-431-9176
NSN 6150-01-351-6152
NSN 6620-01-448-1423
NSN 6105-01-512-6029
NSN 5945-01-325-5609
NSN 5930-01-434-3471
NSN 5835-01-297-1909
NSN 5998-01-549-2389
NSN 5915-00-142-6912
NSN 5910-00-186-0917