When I received this the box looked worn and opened, presumably due to customs. The sensor itself is now stuck at 4.5 inches of mercury. Normal atmospheric pressure (1 atm) is about 29.92 inches of mercury, so the scale should be just above 0. I assume it was dropped during handling. Thank you to the customs officials. I believe this does not contribute to the accuracy and truthfulness of the product, but we'll see if I can fix it or not.
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