Zipp02 | 16Preparation before Measurement
3.2 Erection of the Instrument
Erection of the
instrument
1. Stretch the tripod to a proper hight.
2. Ensure that the measure point is exactly under the central hole of the
tripod head.
3. Level up the tripod (this is very important when centering with plumb bob).
4. Ensure that all locking handles are securely tightened.
5. Secure the instrument to the tripod.
3.3 Leveling up of the Instrument
Leveling up of the
instrument
3. Turn the collimation 90° adjust the leveling screw A and make the bubble
sit in the center.
4. Repeat 2. to 3., until the bubble is in the center for both directions.
1. Centering the circle vial using
leveling screws A, B and C.
2. Turn the collimation unit so that
the axis of the tubular vial is
parallel to the connecting line of B
and C. Adjust B and C so that the
tubular vial is centered.
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