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 6220-01-060-1096
NSN 5945-01-550-7802
NSN 5925-00-660-4206
NSN 6220-01-152-2637
NSN 5835-00-752-6065
NSN 5905-01-026-2411
NSN 5855-00-762-4833
NSN 5960-00-617-9312
NSN 5855-00-973-5717
NSN 6130-01-622-3563
NSN 6320-01-498-4954
NSN 6220-01-466-6847