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 5999-01-524-0554
NSN 5990-00-027-7508
NSN 2925-01-643-8395
NSN 5930-01-483-4018
NSN 5855-01-312-5160
NSN 6320-01-461-5866
NSN 6610-01-479-0466
NSN 6620-01-101-4408
NSN 6220-00-960-7591
NSN 5960-00-861-8369
NSN 5999-01-509-7799
NSN 7035-01-471-8349