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Old 01-27-2011, 08:04 PM   #20
mscales
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Default Re: Accuracy of salt test calibration

All I know is I have had a Walmart digital running in a salt test since before Xmas along with a couple hygrometers. The digital RH moves more depending on the ambient outside temp. Colder outside the lower the humidity in the test container. The mechanical hygrometers have a little less change but they still change. So, I don't know what ambient temp is best for the salt test. Maybe it is 75 degrees?
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