Method and device for measuring a shaft such as an elevator shaft

The invention relates to a method and a measuring arrangement (3) for measuring a shaft, particularly an elevator shaft, the method comprising: providing the measuring arrangement comprising a measuring device (5) configured for measuring dimension data relating to objects (35) in an environment surrounding the measuring device, arranging the measuring arrangement at an upper level (7) within the shaft, releasing the measuring arrangement such that the measuring arrangement drops in a falling motion along the shaft, acquiring dimension data of the shaft using the measuring arrangement during the falling motion, and catching the measuring arrangement after the falling motion at a lower level (9) within the shaft.