dust counter

dust counter

[′dəst ‚kau̇nt·ər]
(engineering)
A photoelectric apparatus which measures the size and number of dust particles per unit volume of air. Also known as Kern counter.
References in periodicals archive ?
Washington, Oct 12 (ANI): A student from University of Colorado at Boulder has designed a space dust counter that is flying aboard NASA's New Horizons mission to Pluto and now holds the record for the most distant working dust detector ever to travel through space.
Will somebody please tell me how important is it to spend $700 million to send a dust counter to Pluto?
The dust counter was designed and built by students at the University of Colorado, Boulder.