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 5925-00-539-8372
NSN 5895-01-502-6988
NSN 6645-01-583-8153
NSN 5895-00-500-4227
NSN 6130-01-400-6123
NSN 6320-01-268-3072
NSN 5855-01-518-3057
NSN 5999-01-100-3665
NSN 6220-01-386-6702
NSN 6135-00-816-9052
NSN 6645-01-557-4608
NSN 6150-01-281-7279