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 5999-01-512-2146
NSN 5996-01-337-6190
NSN 5930-01-142-2571
NSN 6240-01-619-0531
NSN 5905-00-655-9282
NSN 5910-01-564-3063
NSN 5935-00-119-3363
NSN 5975-01-217-3272
NSN 5950-01-202-8456
NSN 5895-00-538-6231
NSN 6620-01-152-3409
NSN 6135-01-300-8455