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 5960-00-038-5433
NSN 5935-01-598-5595
NSN 6130-01-599-4491
NSN 5915-01-298-0442
NSN 6620-01-029-8723
NSN 5985-00-212-7690
NSN 6130-01-119-3976
NSN 5998-01-543-9526
NSN 5935-01-171-3828
NSN 6130-01-384-3141
NSN 6220-01-413-0577
NSN 7035-00-335-7283