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 5925-01-323-1613
NSN 6130-00-489-9835
NSN 6130-00-653-4228
NSN 6240-01-340-6265
NSN 6110-00-409-8125
NSN 6645-00-119-6221
NSN 5975-01-618-9750
NSN 6320-01-583-6809
NSN 6105-01-172-0214
NSN 5930-01-167-8532
NSN 6240-00-455-7640
NSN 6110-00-312-4324