LL 2024 23W50 EN mail - Flipbook - Page 75
AUTOMATIC LEVELLING INSTRUMENTS
PRACTICAL UNIVERSAL DEVICES
Levelling instruments are used for special tasks on large building sites. They work like a precision
telescope, with an artificial target line generated at a specified height – the horizontal reference.
An automatic leveller automatically adjusts the target line in the horizontal plane.
Horizontal circle with endless fine
adjustment for precise targeting.
Measuring with level
Practical, adjustable fold-up mirror
for simple alignment with a circular
spirit level.
To determine the height difference in the
example shown here, the levelling staff is
first set up at Point A. The optical system
of the level has automatically aligned itself
horizontally. With the help of the optical
sight marking, it is now possible to read off
the distance between Point A and the sight
line shown in blue. The staff can now be
positioned at any Point B, and the second
measuring point read off through the sight.
Long-distance scale with E graduation
A
B
The 165 cm tall, ball-head tripod allows
an AL 26/32 to be aligned rapidly.
Calculation of height difference
Height A - Height B = Height difference H
Additional technical information available at: Phone +49 2932-9004-0 · www.laserliner.com
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