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 5985-00-933-5299
NSN 6220-01-010-8242
NSN 2925-01-532-8445
NSN 7035-01-400-3666
NSN 5895-01-100-5452
NSN 5950-01-415-4288
NSN 5855-01-149-4110
NSN 5965-00-685-8899
NSN 5920-01-464-3863
NSN 5835-01-422-7393
NSN 6110-01-318-7690
NSN 6150-01-068-4307