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16
Checking the accuracy
Leica Lino ML series 785880c en
Checking the accuracy
Checking the accuracy of the Leica Lino
ML90 and ML180 laser unit
Check the accuracy of your Leica Lino regu-
larly and particularly before important measuring
tasks.
Checking the accuracy of the levelling
Set the instrument on a tripod half-way between two
walls (A+B) that are approx. 5 m apart.
Allow the instrument to level. Direct the instrument
at wall A and switch on the instrument. Activate the
horizontal laser line and mark the position of the line
on wall A (-> A1). Rotate the instrument by 180° and
mark the horizontal laser line in exactly the same way
on wall B (-> B1).
Then place the instrument at the same elevation as
close as possible to wall A and again mark the hori-
zontal laser line on wall A (-> A2). Rotate the instru-
ment by 180° again and mark the laser on wall B (->
B2). Measure the distances of the marked points A1-
A2 and B1-B2. Calculate the difference of the two
measurements. If the difference does not exceed 2
mm, then the Leica Lino is within tolerance.
| (A1 - A2) - (B1 - B2) |
≤
2 mm
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