screened pan

screened pan

[′skrēnd ′pan]
(meteorology)
An evaporation pan the top of which is covered by wire-mesh screening (¼-inch or 6-millimeter mesh); the screening reduces air circulation and insolation, and results in a pan coefficient nearer to unity than that for unscreened pans.
References in periodicals archive ?
Would-be miners empty the bags into screened pans and shake the dirt gently in the flowing stream.