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From: Richard A. Matarangelo  
Subject: Condensation in Parking Meter Domes Date: 5/16/2017 1:11:17 PM
I have a client who complains of condensation inside parking meter domes that actually renders electronic mechanisms unreadable. I suppose that because of the open design of the mechanical meters, enough light shines through to allow one to see the pointer. This only seems to happen to domes in Duncan housings, and it doesn't matter if they are the old round type or the newer flat type. They happen to have a mixture of equipment and it doesn't happen to POM housings. After inspecting samples of each type the only thing I have come up with is that the POM housings seem to allow moisture within the housing to drain off, and the Duncan's design doesn't seem to provide for that.
Has anyone else encountered a similar condition? And if so, what, if any, resolution did you come up with?