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 5960-00-935-6484
NSN 6220-01-197-6976
NSN 2925-01-356-6017
NSN 5950-00-507-6600
NSN 5905-00-469-4206
NSN 6150-00-903-4812
NSN 6135-01-514-0356
NSN 5975-01-563-3995
NSN 5996-01-631-6917
NSN 6145-01-181-9376
NSN 6220-01-124-2486
NSN 5920-01-464-8480