Quote Originally Posted by BR8080 View Post
I spoke with Dion from Spyder about their humidity sensors and he told me they calibrate them with Zikar hygrometers. He advised me to save some money and buy from Zikar. Zikar is good out of the box according to him and Zikar customer service techs.
Do you mean these? Is this what everyone else uses?

https://www.xikar.com/products/humid...l-hygrometers/