The arbitrary area measuring apparatus has simple structure and high accuracy.It can measure the arbitrary area of sheet no mateer its density is larger,or less, than water.

• 任意面积测量仪具有结构简单、测量精度高的特点,不仅能测量密度大于水的密度的板件的任意面积,还可以测量密度小于水的密度的板件的任意面积。