ADA INSTRUMENTS PROF X2, Operating Manual

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MEASUREMENT FOUNDATION
1.The structure of the instrument is compact and ingenious. It affords easy portability and direct, rapid reading. The newest
form of construction at present is adopted in its designing, and it is stable and reliable.
2.This theodolite is equipped with automatic compensator of vertical circle index with V-shape long pendulum, which gives a
good performance in resisting high-frequency vibrations. This not only promotes surveying precision, but also, makes the
operation easy. It simplifies manipulation procedures, and raises working efficiency.
Fig.2 Photograph of the theodolite
4. CONSTRUCTION FEATURES
1.Optical aimer
2.Focussing sleeve of telescope
3.Reading eyepiece
4.Telescope eyepiece
5.Circle-setting knob
6.Сlamping screw of tribrach
7.Foot screw
8.Tribrach
9.Vertical compensator clamp
10.Micrometer knob
11.Change-over knob
12.Plate level
13.Adjusting screw for plate level
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5.
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PROF
X2