... VA8040 designed to measure material humidity with manual and automatic range selection. It can quickly measure ... darkness. It is ideal for DIY , building and engineering project.Specifications:The meter has been designed ... such as Beech, Spruce, Larch, Birch, Cherry, Walnut and etc8.8…54.8 %2Soft wood such as Oak ... Pine, Maple, Ash-tree, Douglas fir, Meranti and etc.7.0…47.9 %3Cement or Concrete plane ...