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 5930-00-167-8058
NSN 5965-01-188-8530
NSN 6320-00-857-4073
NSN 5950-01-479-7640
NSN 6320-01-320-3305
NSN 6105-01-509-4224
NSN 6130-01-367-5796
NSN 6685-00-366-6997
NSN 6240-00-316-3167
NSN 5895-00-554-4573
NSN 6150-01-383-4527
NSN 5855-01-111-3962