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 5975-01-515-5079
NSN 2925-00-373-8837
NSN 6685-01-348-1801
NSN 6685-01-151-3473
NSN 5905-01-108-0029
NSN 6145-01-477-9541
NSN 5915-00-565-2686
NSN 6130-01-651-1462
NSN 5895-00-473-8812
NSN 6110-01-605-1545
NSN 5915-01-075-7240
NSN 6105-01-152-2800