Indirect Height Measurement - Bosch Professional GLM 500 Manual

28 | English
path beam or the absence of a target surface that
could serve as a reflector. This measuring proced-
ure can only be employed vertically. Any horizontal
deviation will lead to measurement errors.
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 measure-
ment. To improve the accuracy of measurement,
we recommend the use of a tripod (accessory).
The laser beam remains switched on between the
individual measurements.
a) Indirect height measurement (see figure B)
Select the indirect height measurement mode
Ensure that the measuring tool is at the same
height as the lower measuring point. Then tilt the
measuring tool around the reference level and
measure distance 1 as for a length measurement
(displayed as a red line).
Once the measurement is complete,
the result for the required distance X is
20.000 m
45°
45.0°
displayed in the result line (e). The
measured values for distance 1 and
14.142 m
angle α can be found in the measured
value rows (d).
1 609 92A 5E4 | (07.05.2020)
.
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