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Reload this Page Using a humidipak to calibrate a digital hygrometer
lafromla1       Oct. 10, 2009 05:56 pm
ChuckW       Oct. 10, 2009 06:06 pm
el jimmy       Oct. 11, 2009 01:32 am
The Volusianator       Oct. 11, 2009 08:22 pm
lafromla1       Oct. 11, 2009 08:40 pm

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Using a humidipak to calibrate a digital hygrometer
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Default Using a humidipak to calibrate a digital hygrometer - October 10, 2009, 05:56 PM

Can I use a 70%RH humidipak to accurately calibrate a Xikar digital hygrometer? If so, how long do I need to keep it in an airtight package to make sure that I am where it needs to be, then adjust from there?
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Default October 10, 2009, 06:06 PM

I suppose that's one way to do it, though the theory is that 75% is the ideal humidity for calibrating a hygrometer. Boveda does make a 75% humidipak, which seems like a better deal than their calibration kit that comes with the postage stamp sized humidipak. Either way, it should take about 24 to 36 hours.



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Default October 11, 2009, 01:32 AM

I thought the same thing. If its a 69%rh packet and sealed in a airtight baggie with the hygro for 24 hours, whatever the hygro reads after that time period should tell you how on or off it is right?
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Default October 11, 2009, 08:22 PM

I had the same question a while back so I e-mailed Boveda to ask the accuracy of their packs. According to Ron Lesseraux at Boveda, he claims that at 70F they are +- 2%. For what it's worth.

I'm still looking to find an exact system to calibrate mine.
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Default October 11, 2009, 08:40 PM

Well I used the 70%RH pak for 24 hours and at the end of time, they both read 77% for a +7%. Just to make sure I wasn't going to screw up the new humidor, I decided to go with the salt calibration test as well (without setting the calibration button to keep them reading at the current rate) and make sure (measure twice, cut once philosophy). After 3 hours, they both are reading 82%, +7 from what I was expecting, thus the units are keeping a consistent reading. At the end of 4 hours, I'll hit the calibration button setting them to 75% as per the Xikar website for calibrating the units after the recommended time using the salt calibration method and I should be good to go.

Anyone see any flaws in my methodology before I begin the pursuit of acquiring fine cigars?
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