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 5998-01-370-5926
NSN 6620-00-051-7666
NSN 6130-01-109-3050
NSN 6220-01-563-0330
NSN 5998-00-525-9976
NSN 5930-00-935-9362
NSN 5855-01-627-5662
NSN 5905-01-581-7152
NSN 6110-01-388-2389
NSN 6645-01-374-9936
NSN 5905-00-053-8977
NSN 5945-01-033-6387