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 6610-01-242-9674
NSN 5925-01-425-1842
NSN 5905-01-479-9777
NSN 5915-01-233-7056
NSN 6645-01-084-7453
NSN 6320-01-134-7267
NSN 6105-01-474-5246
NSN 5996-01-060-5925
NSN 6645-00-038-7737
NSN 6620-00-050-1086
NSN 5990-00-107-0835
NSN 5965-00-362-2158