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 6135-00-125-5265
NSN 6645-01-238-8660
NSN 7035-00-861-7913
NSN 5945-01-362-0685
NSN 5910-01-499-4766
NSN 5990-01-553-6859
NSN 4140-01-378-4046
NSN 2925-01-573-1067
NSN 6610-01-364-0197
NSN 5999-01-333-3259
NSN 5895-00-823-8571
NSN 5920-01-570-5395