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 5920-00-175-7987
NSN 6645-01-468-4990
NSN 6645-00-262-7448
NSN 5905-01-432-1157
NSN 6240-00-776-1614
NSN 5905-01-248-7035
NSN 6645-01-525-5181
NSN 4140-00-186-3062
NSN 5965-00-677-1461
NSN 5965-01-010-1258
NSN 6130-01-589-8061
NSN 5930-00-362-6737