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 5920-00-159-8582
NSN 5895-01-515-4930
NSN 5910-01-005-9922
NSN 6650-01-240-2334
NSN 6105-01-207-2729
NSN 5905-01-281-8358
NSN 6220-00-186-8565
NSN 5999-01-340-4663
NSN 6620-01-039-5468
NSN 6685-00-045-5243
NSN 6240-00-176-1824
NSN 5960-00-861-8369