Humidity gauge

[kitedemon]

I just ordered one of these and so far am very happy with it. make sure that you get one that can be calibrated.

http://www.amazon.ca/gp/aw/d/B000H69...pd_sim_sbs_k_2

I use these as well I find the digital ones to be painfully inaccurate and even checking them for accuracy damages the accuracy catch 22.