一、波长严重位移的调整首先检查光源灯是否正常。打开仪器后盖板 ,检查光源灯是否发黑 ,若发黑应及时更换新灯 ;若灯泡或进光孔处有污垢、杂物等 ,则应用干净软布清除干净 ;若光源灯的位置不正确 ,则应把波长盘调至５８０ｎｍ处 ,将一张白纸竖放在比色室进光孔处 ,打开电源 , First, the adjustment of the wavelength of severe displacement First check whether the light source lamp is normal. Open the rear cover of the instrument and check if the light source is black. If it is black, replace it with a new one. If there is dirt or debris in the light bulb or the light hole, remove it with a clean soft cloth. If the position of the light source lamp is not Correct, then the wavelength plate should be adjusted to 580nm Department, a piece of white paper placed on the color hall into the hole, turn on the power,