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 5999-00-289-1472
NSN 6150-01-321-5440
NSN 5990-01-104-8974
NSN 6685-00-895-1552
NSN 5930-00-784-4380
NSN 7035-01-111-7206
NSN 5950-00-570-6531
NSN 5895-01-010-1489
NSN 6130-01-174-9165
NSN 6150-01-580-9323
NSN 5945-01-196-8585
NSN 5996-01-323-6008