75%


Caliber 4R hygrometer in a salt test 2
“It’s not the heat… it’s the humidity that gets you.” Not only is that true for personal comfort, but even more so for important items that need to be kept at a specific humidity (like cigars at 70%) or metal parts on guns (which want to be stored in a […]

How to Calibrate a Hygrometer (Humidity Sensor) using the Salt ...