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 5990-00-660-8885
NSN 6110-01-449-1641
NSN 5920-01-426-8517
NSN 6220-01-348-0677
NSN 6685-01-634-0611
NSN 5960-00-081-2559
NSN 6145-00-171-3152
NSN 4140-01-116-2187
NSN 6105-01-589-5907
NSN 5855-01-407-8706
NSN 6650-01-619-6545
NSN 6135-00-145-8884