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 5920-01-068-3135
NSN 6240-01-447-3199
NSN 5996-00-537-3947
NSN 5905-00-144-8471
NSN 5998-01-474-5779
NSN 5895-00-398-0029
NSN 5905-00-305-6737
NSN 5996-00-431-6077
NSN 6135-01-136-8306
NSN 5975-01-357-5582
NSN 5945-01-438-9513
NSN 5915-01-222-4425