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 5930-00-276-7600
NSN 6105-01-537-1195
NSN 6220-00-904-2429
NSN 5930-01-455-3465
NSN 5835-01-137-6075
NSN 5905-00-194-9338
NSN 5855-00-361-0167
NSN 6610-01-225-3941
NSN 6220-01-634-0660
NSN 5985-00-853-6701
NSN 5855-01-290-3248
NSN 5920-00-246-4657