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 5925-01-010-2925
NSN 5975-01-564-1028
NSN 5930-01-549-6631
NSN 5999-01-152-6772
NSN 5960-01-359-4257
NSN 6150-00-781-7471
NSN 6150-01-292-5598
NSN 5950-01-555-2997
NSN 2925-01-607-4340
NSN 5925-00-767-0284
NSN 7035-01-204-9851
NSN 6320-01-560-7177