nucleus counter

nucleus counter

[′nü·klē·əs ‚kau̇nt·ər]
(engineering)
An instrument which measures the number of condensation nuclei or ice nuclei per sample volume of air.
References in periodicals archive ?
It is considered that a condensation nucleus counter technique (CNC) could be used for measurements down to 5nm of airborne particulate, requiring changes to parts 1, 2 and 3 covering Validation and Test Methods.