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 5965-00-217-2476
NSN 6150-00-188-2958
NSN 5905-00-279-4538
NSN 5990-00-980-7808
NSN 7035-00-703-3535
NSN 6685-00-642-0533
NSN 5855-01-092-7755
NSN 6620-00-703-4260
NSN 6610-01-660-3966
NSN 6620-01-037-4631
NSN 2925-01-474-3363
NSN 5985-01-016-6928