When the humidity level drops to about 7% below the set point, the humidistat will activate to replenish the loss of humidity.
当湿度液位低于设置点下的7%，这款恒湿器将会被激活，开始补充湿度损失。
3
In order to meet the humidity request of the environment of living beings, the special-purpose humidistat were used to regulate the humidity of the greenhouse timely and accurately.