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 6130-00-960-9158
NSN 6685-01-055-6057
NSN 5990-01-316-9477
NSN 6645-01-544-0408
NSN 6645-00-935-7046
NSN 6320-01-618-3835
NSN 5925-01-462-2209
NSN 5930-00-709-3069
NSN 6610-01-118-5498
NSN 6240-00-878-8036
NSN 5905-00-563-8252
NSN 5895-00-383-2804