Construction and validation of an ultraviolet germicidal irradiation system using locally available components
Fig 1
A. Each array consists of 12 UV-C bulbs in a 3x4 array, facing each other, with masks suspended between arrays. B. Longitudinal end of one array showing lampholder mounts on aluminum stock. C. Light dosimeter probe on left (white arrow) mounted to measure light at iso-irradiant site relative to lowest exposure of each mask. Light meter console (arrowhead) in foreground for monitoring total dose delivered (as seen from clean workroom). D. “Dirty” workroom entry to UVGI Suite. E. “Clean” workroom for packaging decontaminated masks.