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Operating instructions 

We have endeavoured to explain the unit‘s handling and functioning in as clear 

and comprehensible manner as possible. If, however, you still have any unans-

wered questions, we should be pleased to provide advice over the telephone at 

any time on the following telephone number:
+49 /  63 46 / 3 09 - 0

Main components

(2)
(3)
(4)
(5)
(6)
(7)

(8)
(9)

Adjusting screws for setting angles
Object lens
Focus adjustment ( for sharpening the image )
Eyepiece
Optical sight
Circular vial

Tilted mirror for circular vial
Adjusting screws for the circular vial

(1) Adjusting screws for levelling the instrument

(11) Cover for adjusting the reticle

• Like every precision optical instrument, the OLS 26 must be handled 

with great care.

• Its accuracy should be checked carefully before each occasion on 

which it is used.

(12) 5/8“ threaded connector for tripod

The STABILA OLS 26 level can be used for many types of measurement on 

the building site. It can be used for the optical transfer of heights as well as 

measuring distances and angles.

• Do not use the level to look directly at the sun, laser beams or any powerful 

light source !

• Always use the carrying case when moving the instrument.

• Do not store the laser when wet. 

Dry the laser and case before putting the laser away.

• Do not subject the instrument to major temperature variations.

• Clean the level with a damp cloth. Do not spray or immerse the unit. 

Do not use solvents or thinners !

• Do not unscrew !

(10) Horizontal circle

A

B1

B2
B3

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