Oct 27, 2010 #1 harris farm Chirping 9 Years Aug 8, 2010 176 0 99 Louisiana Is it possible for the meter to be off by 9% too low
Oct 27, 2010 #2 Ridgerunner Enabler Premium Feather Member 15 Years Feb 2, 2009 31,475 33,055 1,127 Southeast Louisiana Yes
Oct 27, 2010 #3 A.T. Hagan Don't Panic 12 Years Aug 13, 2007 5,379 230 303 North/Central Florida I think one should always calibrate a new hygrometer because as repeated posts here on the board demonstrate they can sometimes be off a good bit. Here's the best article I've found on calibration yet: http://ezinearticles.com/?Prevent-Mold!-Hygrometer-Calibration&id=602308 I haven't use all the methods it lists, just the table salt (sodium chloride) one and it works well.
I think one should always calibrate a new hygrometer because as repeated posts here on the board demonstrate they can sometimes be off a good bit. Here's the best article I've found on calibration yet: http://ezinearticles.com/?Prevent-Mold!-Hygrometer-Calibration&id=602308 I haven't use all the methods it lists, just the table salt (sodium chloride) one and it works well.