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 6220-00-917-0881
NSN 5920-01-269-4191
NSN 5935-01-461-7008
NSN 5975-01-602-8801
NSN 5920-01-449-2172
NSN 5895-01-207-0753
NSN 5945-01-019-2950
NSN 6150-01-493-7965
NSN 6150-01-171-8495
NSN 6105-00-279-3044
NSN 6620-00-707-4195
NSN 5930-01-188-6679