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 7035-00-050-9962
NSN 5895-01-619-1733
NSN 5999-01-090-0215
NSN 6130-01-050-8723
NSN 5996-01-320-4900
NSN 5999-00-916-8907
NSN 5975-01-050-5225
NSN 7035-00-470-4977
NSN 5965-01-132-4018
NSN 2925-01-281-3954
NSN 5920-01-064-6281
NSN 5905-00-726-7877