An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5965-00-762-0630
NSN 4140-00-864-1710
NSN 5930-01-425-5196
NSN 5920-01-005-2294
NSN 6620-01-517-0014
NSN 5895-01-335-2801
NSN 2925-01-465-0795
NSN 5915-01-434-3359
NSN 5935-00-539-5316
NSN 7035-00-048-3723
NSN 6150-01-307-0453
NSN 6105-01-395-5234