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 5998-01-595-6959
NSN 6220-01-172-3620
NSN 6620-01-573-5794
NSN 2925-00-136-2612
NSN 5950-01-426-2859
NSN 5915-01-578-6153
NSN 5895-00-137-2696
NSN 6620-00-887-8908
NSN 5950-00-751-7529
NSN 6105-01-048-4582
NSN 6650-00-012-2430
NSN 6150-00-025-0612