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 5985-00-942-6168
NSN 5975-00-003-7844
NSN 5945-00-360-8072
NSN 5950-01-425-5263
NSN 5960-01-564-5044
NSN 5895-01-168-8738
NSN 6620-01-360-4725
NSN 7035-01-613-5139
NSN 5960-01-033-0813
NSN 6130-01-049-9024
NSN 5895-01-541-0036
NSN 6620-01-342-0470