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Level Beam Accuracy
(See fi gure
)
K
•
Place laser tool as shown with laser ON. Mark point
K
1
P
at cross.
1
•
Rotate laser tool 180° and mark point P
K
2
•
Move laser tool close to wall and mark point P
K
3
•
Rotate laser tool 180° and mark point P
K
4
•
Measure the vertical distance between P
K
5
D
and the vertical distance between P
3
• Calculate the maximum offset distance and compare to the
difference of D
and D
3
• If the sum is not less than or equal to the calculated
maximum offset distance the tool must be returned to
your Stanley Distributor for calibration.
Maximum Offset Distance:
= 0,2 mm m x (D
Maximum
= 0,0024 in ft x (D
Compare : (See fi gure
D
- D
3
Example:
• D
= 10 m, D
= 0,5 m
1
2
• D
= 0,4 mm
3
• D
= - 0,6 mm
4
• 0,2 mm m x (10 m - (2 x 0,5 m) = 1,8 mm (maximum
offset distance)
• (0,4 mm) - (- 0,6 mm) = 1,0 mm
• 1,0 mm ≤ 1,8 mm (TRUE, tool is within calibration)
12
at cross.
2
at cross.
4
and P
1
and P
to get D
2
4
as shown in the equation.
4
m - (2 x D
1
ft - (2 x D
1
)
K
5
≤ ± Maximum
4
Horizontal Beam Accuracy
(See fi gure
•
Place laser tool as shown with laser ON. Aim vertical
L
1
beam towards the fi rst corner or a set reference point.
Measure out half of the distance D
at cross.
•
Rotate laser tool and align front vertical laser beam
L
2
3
with point P
to get
vertical laser beams cross.
3
.
•
Rotate laser tool and aim vertical beam towards the
L
3
4
second corner or set reference point. Mark point P
it is vertically in line with points P
•
Measure the vertical distance D
L
4
and lowest point.
• Calculate the maximum offset distance and compare to D2 .
• If D
2
maximum offset distance the tool must be returned to
your Stanley Distributor for calibration.
m))
2
ft))
2
Example:
• D
= 5 m, D
1
• 0,2 mm m x 5 m = 1,0 mm (maximum offset distance)
• 0,65 mm ≤ 1,0 mm (TRUE, tool is within calibration)
)
L
. Mark point P
where the horizontal and
1
2
is not less than or equal to the calculated
Maximum Offset Distance:
= 0,2 mm m x D
Maximum
= 0,0024 in ft x D
Compare: (See fi gure
D
≤ Maximum
2
= 0,65 mm
2
and mark point P
.
1
1
so that
3
and P
.
1
2
between the highest
2
m
1
ft
1
)
L
4
77-320 / 77-321
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