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Title: Wildly Inaccurate
Review: I bought two since they were cheap. Actually they turned out to be very expensive paper weights (they're no good at that either). I compared them to a pair of (accurate) digital hygrometers I use to monitor my guitar room and they both over-report humidity by as much as 20 percent. The digitals would indicate ~50 percent and the dials would be anywhere from 60 percent to 75 percent. That makes them worthless in my book.
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