Measurement result implausible

Cause: Target surface is not reflecting clearly (e.g. water, glass)

Corrective measure: Cover the target surface

Cause: Laser beam output (12) or reception lens (11) is concealed

Corrective measure: Always keep the laser beam output (12) and the reception lens (11) clear

Cause: Obstacle in the course of the laser beam

Corrective measure: Ensure that the laser point is fully on the target surface