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 6620-01-245-0184
NSN 5996-00-175-0462
NSN 5920-01-463-9922
NSN 5945-00-251-7423
NSN 5930-01-153-2667
NSN 5920-00-480-4063
NSN 5998-00-455-3426
NSN 5895-00-919-8063
NSN 6145-01-580-0334
NSN 5945-01-642-6805
NSN 2925-00-555-4578
NSN 5990-00-858-8816