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 5915-01-152-2684
NSN 5895-01-521-8954
NSN 6150-00-860-9877
NSN 5835-00-707-6266
NSN 5925-01-016-4069
NSN 5910-01-633-1068
NSN 5930-01-500-3033
NSN 6105-01-437-2539
NSN 6320-00-300-5556
NSN 5945-01-466-1558
NSN 7035-00-104-7613
NSN 6610-01-502-8868