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 5935-01-628-4820
NSN 5965-00-913-9545
NSN 6240-01-442-7746
NSN 5915-01-046-8139
NSN 5975-01-441-8386
NSN 6685-01-415-1619
NSN 5925-00-455-8584
NSN 6105-00-199-8808
NSN 5835-01-123-8305
NSN 5855-00-688-9954
NSN 5855-01-225-5855
NSN 5999-01-477-2828