| 摘要 |
A device for hand-held measurement of distances (d) to a surface region of an object ( 22 ), including a housing ( 2 ) and a lens system ( 3 ) for the optical measurement of distances (d). Transmission beams are transmitted via the lens system against the surface region and the beams ( 5 ) reflected there are recollected. The device additionally includes a first component ( 6, 7, 8, 8', 8 9 ) connected to the housing ( 2 ) which may be extended beyond the housing for the measurement of short distances in the direction of emission of the transmitted beams and furthermore which acts as a spacer ( 9 ) for the optical measurement. The extended state of the component ( 6, 7, 8, 8', 9 ) is automatically determined be a feeler device.
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