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 5975-00-325-9032
NSN 5998-01-614-5918
NSN 5855-01-273-6132
NSN 6240-00-643-4532
NSN 5910-01-312-3059
NSN 2925-00-105-3907
NSN 6150-01-359-7405
NSN 6685-01-583-0212
NSN 6610-00-105-5110
NSN 5960-01-599-9821
NSN 5935-01-263-3425
NSN 7035-01-548-1483