Calibration of uncleaned tank can be done by measuring the radial deviation without damage to the insulating layer and the amount of remaining oil in tank bottom.

• 不清罐带液检定方法可以实现不破坏保温层测量径向偏差;罐底量及死量带液检测;参照高度采用专用标尺;浮顶质量由浮顶浸没体积直接求出。