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Photocell

Posted on Tue, 27 Dec 2005 at 5:40



Hello,
Advice please:
Photocell: The photocell of an Exposing light should be fixed (1) Anywhere (even on the edge of a 84x72 inch vacuum frame) or (2) On the edge/very close by of the coated area (30x24 inch small screen), to get the correct counting of needed UV light emission?
Thanks in advance for he time.

Thomas

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