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Field Calibration Check
Checking Accuracy – Horizontal Beam, Scan Direction (Fig. E)
Checking the horizontal scan calibration of the laser requires two walls at least 30' (9 m)
apart. It is important to conduct a calibration check using a distance no shorter than the
distance of the applications for which the tool will be used.
1. Attach the laser to a wall using its pivot bracket. Make sure the laser is facing
straight ahead.
2. Turn on the laser's horizontal beam and pivot the laser approximately 45˚ so that the
right‑most end of the laser line is striking the opposing wall at a distance of at least 30' (9
m). Mark the center of the beam (a).
3. Pivot the laser approximately 90˚ to bring the left‑most end of the laser line around to
the mark made in Step 2. Mark the center of the beam (b).
4. Measure the vertical distance between the marks.
•
If the measurement is greater than the values shown below, the laser must be serviced at
an authorized service center.
Checking Accuracy – Horizontal Beam, Pitch Direction (Fig. F)
Checking the horizontal pitch calibration of the laser requires a single wall at least 30' (9
m) long. It is important to conduct a calibration check using a distance no shorter than the
distance of the applications for which the tool will be used.
1. Attach the laser to one end of a wall using its pivot bracket.
2. Turn on the laser's horizontal beam and pivot the laser toward the opposite end of the
wall and approximately parallel to the adjacent wall.
3. Mark the center of the beam at two locations (a, b) at least 30' (9m) apart.
12
Distance
Between Walls
30'
40'
50'
Distance
Between Walls
9.0 m
12.0 m
15.0 m
Allowable Distance
Between
and
a
1/8"
5/32"
7/32"
Allowable Distance
Between
and
a
3.1 mm
4.2 mm
5.2 mm
b
b
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