Tree Angle Gauge
Forestry angle Curve
Curve angle gauge is a micro angle measurement
mainly used for the determination of forestry, forest tree basal area per hectare.
The length is variable, there are two kinds of scale;
The constant K=1, K=2;
Size: 140X14X41.5X (mm)
How to use :
Determination of tree basal area, will pull all elongation, or at the end of the two section at the end of indentation,
close to the eyes, the forward-looking benchmark, with the slope change, line scanning curve groove width B to form by aligning the measured tree diameter at breast height D.