Bosch Weu PLR 50 C Manual Original página 37

OBJ_BUCH-2326-002.book Page 37 Friday, November 7, 2014 10:15 AM
Indirect Distance Measurement
Note: Indirect distance measurement is always less accurate than direct distance
measurement. For application-related reasons, measuring errors can be greater than
with direct distance measurement. To improve measuring accuracy, we recommend
placing the measuring tool against or on a firm surface.
The indirect distance measurement is used to measure distances that cannot be
measured directly because an obstacle would obstruct the laser beam or no target
surface is available as a reflector. This measuring procedure can only be used in ver-
tical direction. Any deviation in horizontal direction leads to measuring errors.
For indirect length measurements, three measuring modes are available. Each meas-
uring mode can be used for determining different distances.
a) Indirect height measurement
Press the k button and select the button for indirect height measurement
Pay attention that the measuring tool is positioned at the same height as the bottom
measuring point.
b) Double indirect height measurement
Press the k button and select the button for double indirect height measurement
Pay attention that the reference plane of the measurement (e.g. the rear edge of the
measuring tool) remains exactly at the same location for all individual measurements
within a measuring sequence.
c) Indirect length measurement
Press the k button and select the button for indirect length measurement
Pay attention that the measuring tool is positioned at the same height as the sought
measuring point.
Grade Measurement
Press the k button and select the button for grade measurement
Grade measurement is used to measure a slope or incline (e.g. of
stairs, railings, when fitting furniture, laying pipes, etc.).
The left-hand side of the measuring tool serves as the reference
level for grade measurement. If the display flashes during meas-
urement, the measuring tool has been tipped too heavily to the
side.
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