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 5960-01-432-6038
NSN 6150-01-369-5045
NSN 5975-01-660-7171
NSN 5990-00-863-6049
NSN 5996-01-032-2236
NSN 6105-01-432-1342
NSN 5990-00-838-1082
NSN 6220-01-574-7435
NSN 6645-01-641-1575
NSN 5990-01-213-6319
NSN 5935-01-246-5537
NSN 6110-00-118-1260