Level Beam Accuracy
(Single Beam) - (See figure
)
N
•
Place laser tool as shown with laser ON. Mark point P
N
1
on the first wall.
•
Rotate laser tool 180° and mark point P
on the second
N
2
2
wall.
•
Move laser tool close to second wall and adjust the
N
3
height of the unit until point P
is aligned with P
.
3
2
•
Rotate laser tool 180° and mark point P
.on the first
N
4
4
wall.
•
Measure the vertical distance between P
and P
to
N
5
1
4
get D
.
1
• If the measurement is greater than the maximum
offset distance the tool must be returned to your
Stanley Distributor for calibration.
Maximum Offset Distance:
= 0,2 mm m x (D
m - (2 x D
m))
1
2
Maximum
= 0,0024 in ft x (D
ft - (2 x D
ft))
1
2
Compare: (See figure
)
N
5
D
- D
≤ ± Maximum
3
4
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)
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1
Specifications
Laser Tool
Levelling Accuracy (Dot):
Up Beam Accuracy
Down Beam Accuracy:
Horizontal Beam Accuracy:
Compensation Range:
Working Distance:
Dot:
Laser Class:
Laser Wavelength
Operating Time:
Power Source:
IP Rating:
Operating Temperature Range:
Storage Temperature Range:
STHT77342
STHT77342
SPL3
± 5/32" @ 30 ft (4 mm / 10 m)
± 1/8" @ 30 ft (3 mm / 10 m)
± 1/4" @ 30 ft (6 mm / 10 m)
± 1/8" @ 30 ft (3 mm / 10 m)
Self-Levelling to ± 4°
≥ 100 ft (30 m)
Class 2 (IEC/EN60825-1)
630-670 nm
≥ 20 hours (Alkaline)
2 x "AA" Batteries
IP50
-10° C to +40° C
-25° C to +70° C
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