现在使用着三种测湿方法,第一种是重力测湿法,属于绝对法,建立于实验室;第二种是微波损耗法或吸收法,属于这种方法的 Mo-istrex 便携式测湿仪,无论是实验室还是车间,都可作为直接测湿的副标准,也可在实验室与纸张在线设备间进行检定传递;第三种是红外吸收法(NIR),这种方法通常用于非接触、 Now use three kinds of measuring wet method, the first is gravimetric wet method, belonging to the absolute law, established in the laboratory; The second is the microwave loss method or absorption method, belongs to this method Mo-istrex portable hygrometer , Either laboratory or workshop, can be used as a direct measure of wet sub-standard, but also in laboratory and paper online testing equipment for transmission between the pass; the third is the infrared absorption method (NIR), this method is usually used for non- contact,