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 5950-01-358-4316
NSN 5920-01-173-4108
NSN 6645-01-182-4896
NSN 6645-01-322-8897
NSN 6320-00-476-6898
NSN 5945-00-388-3253
NSN 5925-00-511-9693
NSN 5920-01-227-4623
NSN 5998-01-089-9725
NSN 7035-01-541-0554
NSN 5835-00-289-9080
NSN 5910-01-109-9766