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 5998-00-578-4360
NSN 6240-00-916-4217
NSN 6320-01-366-5157
NSN 7035-01-067-8991
NSN 5999-00-792-5492
NSN 5945-00-470-9447
NSN 6610-00-191-5317
NSN 6110-01-483-9663
NSN 6650-00-231-2744
NSN 5990-01-333-2294
NSN 5910-01-648-0256
NSN 6110-00-611-7470