| 摘要 |
In a leveling, plumbing, and angular calibration instrument a swinging suspended vertical body (4) is provided, which carries groups (5, 6) of light elements and/or lenses and optionally a beam splitter and/or beam converging element provided to create and emit laser light. A clamping element (7) is allocated to the vertical body (4) to block a swinging motion in an exactly central position, if necessary, which is formed from two clamping shoes (8, 9) arranged opposite each other, which can be synchronously displaced in reference to the clamping section (10) of the vertical body (4).
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