Field Calibration Test - Kapro PROLASER 875 Manuel D'utilisation

FIELD CALIBRATION TEST

Horizontal Line Calibration Test
1. Set up the laser level on a flat, vibration-free surface or tripod
as near as possible to a long wall.
2. Unlock the safety lock by turning the knob on the side of the
unit. Press the output control button on the keypad to generate
the horizontal beam.
3. Make two marks on the wall where on the laser line, one very
close to the laser level and one as far away as possible.
4. Move the laser either closer or futher away from the wall.
5. Repeat steps 2 and 3.
6. Measure the vertical distance from each pair of dots.
Vertical Line Calibration Test
1.Hang a plumb line from a high point on a wall.
2.Set up the laser level on a flat, vibration-free surface or tripod
about 1m(3') from the wall.
3.Unlock the safety lock by turning the knob on the side of the
unit. Press the output control button on the keypad to generate
a vertical beam.
4.Position the laser level so that the vertical laser line touches the
base of the plumb line.
5.If the laser line is also aligned to the top of the plumb line, then
the laser level is calibrated.
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