Calibrated Hygrometer way off???

needtohatch

Songster
10 Years
Feb 27, 2009
377
6
131
Hart Co
I calibrated my hygrometer last night and after 11 hours it reads 65% has not changed for the last 2 hours. Could it be off that much or did I do something wrong? I mixed 1/2 C salt to 1/4 C water in coffee cup and sealed it and the thermomiter/hygro combo in freezer bag then left overnight. The thermomiter part is dead on for temp.
 

needtohatch

Songster
10 Years
Feb 27, 2009
377
6
131
Hart Co
So it could really be off by 10%? It is brand new (well had it in bator for a few days) and I really wondered about it since I could not get the humidity up past 38% with all the water tray filled in my LG. Now I know why. Guess it was really 48%. That makes me feel a little better.
 

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