Kapro Prolaser Vector 873, User Manual

Page: 14 / 106

14
FIELD CALIBRATION TESTS
This laser level left the factory fully calibrated. Kapro
recommend that the user will check the accuracy of the laser
periodically, or if the unit falls or is mishandled.
1. Check the height accuracy of the horizontal beam.
2. Check the leveling accuracy of the horizontal beam.
3. Check the leveling accuracy of the vertical beam.
4. Check the perpendicularity between the 2 vertical beams.
1. Checking the Height Accuracy of the Horizontal beam.
(Up and down deviation)
1) Set up the laser on a tripod or on a solid surface
between two walls
A
and
B
, approximately 5 meters apart.
2) Position the laser level approximately 0.5 meter from wall
A
3) Unlock the pendulum and press the button to project the
horizontal and the vertical cross beams towards wall
A
.
4) Mark on the wall the center of the cross beams as
a1
(see figure # 1).