Leveling staff reading | Staff scale reading | Auto level staff reading | how to read staff reading

Описание: A level staff, also called levelling rod, is a graduated wooden or aluminium rod, used with a levelling instrument to determine the difference in height between points or heights of points above a vertical datum. It cannot be used without a leveling instrument.

There are usually three forms of self-reading staff. They are solid staff, folding staff and telescopic staff