Cui Jia-wu, Zhou Bo-yang, Li Jin-cheng. Calibrating the Index Error of Vertical Circle and 2C of Total Station Using a Calibrator Stand with Collimators[J]. 2017, 34(6): 78-82. DOI: 10.12052/gdutxb.160095.
Cui Jia-wu, Zhou Bo-yang, Li Jin-cheng. Calibrating the Index Error of Vertical Circle and 2C of Total Station Using a Calibrator Stand with Collimators[J]. 2017, 34(6): 78-82. DOI: 10.12052/gdutxb.160095.DOI:
Calibrating the Index Error of Vertical Circle and 2C of Total Station Using a Calibrator Stand with Collimators
value (two times of collimation axis error) are two important indicators which affect the precision of total station’s angle measurement. A South NTS-312L total station with index error of vertical circle overrun and a South NTS-312L total station with 2
C
overrun are corrected by the calibrator stand with collimators. The experiments show that the index error of vertical circle of the former is reduced from 24″ to 6″ and 2
C
of the latter from 19″ to –6″ respectively after calibrating
the calibrating results according with Verification Regu
lation of Electronic Tachometer Total Station JJG100-2003. In order to check the calibration results further
both total stations are tested in a field survey
and the results show that the vertical index of the former changes between –3″ to 6″ range
and 2
C
value of the latter varies in –6″ to 5″ range
these numbers basically in agreement with the calibration experiment.
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references
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