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 5990-01-473-4314
NSN 6685-00-151-5257
NSN 5965-00-866-3371
NSN 6220-00-539-8769
NSN 7035-00-283-3112
NSN 2925-00-707-6770
NSN 5930-01-344-3166
NSN 5915-01-573-5980
NSN 6650-01-464-3244
NSN 6620-01-495-6880
NSN 6645-01-179-0243
NSN 6105-00-361-7111