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 5960-00-952-1868
NSN 5996-01-425-1455
NSN 5998-01-659-7676
NSN 6135-01-472-9011
NSN 6240-01-020-3440
NSN 5915-01-422-2014
NSN 7035-00-371-7749
NSN 6135-00-299-6918
NSN 6645-01-363-2519
NSN 5915-01-248-3334
NSN 5996-01-525-8996
NSN 5925-00-190-0095