Reply by 4wood

Below is a link to a EMC calculator app that you can load on your cell phone. just put in the relative humidity and the ambient temperature and it will calculate the EMC for you . This is very useful for me when going into a clients home for an estimate. If I get the job I know what EMC I should try to achieve. I use the Caliber IV hygrometer which sells for about $25

https://www.wagnermeters.com/newsroom/free-emc-calculator-app/

https://coolerexp.com/best-digital-hygrometer-for-humidor-review/