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 6130-01-639-8149
NSN 5915-01-285-5316
NSN 6610-01-592-8642
NSN 6650-00-775-6560
NSN 5855-01-634-0259
NSN 5835-01-632-6627
NSN 5920-01-206-3977
NSN 6135-01-439-8669
NSN 6105-01-281-4602
NSN 6650-01-447-4523
NSN 7035-01-491-3981
NSN 5960-01-214-4518