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 5965-00-729-6835
NSN 2925-01-422-1542
NSN 4140-00-418-2939
NSN 5895-00-753-5349
NSN 5960-01-465-6847
NSN 6620-01-250-1692
NSN 6320-00-590-9342
NSN 6110-01-240-2180
NSN 5985-01-094-5647
NSN 6645-01-383-8139
NSN 5910-01-308-0294
NSN 5960-00-824-0052