Response to Densitometer reading fluctuation

I've found when doing readings from control strips with our densitometer,(an ESECO) a lamp, placed close by, actually was affecting the readings. When it was on, the reading would be one thing and when it was off, it read something else. We've started doing our readings in subdued lighting now. Maybe you're having a similar problem? I have seen the flucuateing readings that you speak of also (usually it flashes back and forth between 2 #'s). I'm not 100% sure about this, but I think it may be normal. The type of densitometer we use is set up for transparencies (Status A filter) as opposed to one that reads negatives (status M filter). Do you know for sure which one you are set up with? If you are reading negs. through a staus A filter, your readings will not be correct. We had trouble with this when we bought our densitometer, because they sent us one that read negs. and we wanted it to monitor our E6 line, but we finally got it worked out. Hope this helps.

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