Quote:
Originally Posted by montecristo#2
The hygrometer kit actually works pretty well if you leave it unopen for the time is says to on the package. I once used it to calibrate 5-7 Western Digitals over a period of a week and they were all surprisingly close to each other. But you have to leave it for the full 24-36 hours, after 7-8 hours it is still all over the place.
I am not sure I would trust the larger packets though as the kit uses a really small volume. Also, if you have the smaller 69% packets they use for shipping, I would not trust those as they dry out really quickly.
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Aaron, just out of curiosity, did you ever cross-check any of those hydrometers with a salt test?
Reason I'm asking is that they do appear to have the ability to determine the accuracy of the packs after manufacturing and mark them. I have a number of packs that came out of Fuente boxes and the packs have their specific RHs printed on them. I don't recall seeing this level of detail on the larger over the counter boveda packs. So, I'm wondering if they might shuttle the more accurate packs over to the hygrometer calibration kits.