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  • 1 Department of Surveying, Faculty of Civil Engineering Slovak University of Technology in Bratislava, Radlinského 11, 810 05, Bratislava, Slovakia
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The warm-up effect is a well-known phenomenon, which occurs in all types of laser trackers. The series of experiments was performed to determine the influence of warm-up effect on measurement and a warm-up time of device – the time after the temperature inside the tracker is stable. In this paper, the tested tracker was Leica AT960-MR. Results showed that the warm-up effect could cause errors up to tenths of millimeters, and a warm-up time of instrument is around two hours, which is similar to the other researches.

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