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 5999-01-353-8389
NSN 6645-01-063-8243
NSN 5920-00-167-2700
NSN 5930-00-771-8555
NSN 6650-00-059-6268
NSN 6610-01-098-8363
NSN 5965-00-529-0602
NSN 5990-00-518-0684
NSN 5855-01-067-8841
NSN 6105-01-100-1007
NSN 5945-01-080-7631
NSN 6320-00-456-2092