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Bosch Power Tools 1 609 92A 0KX | (15.5.14)
由于接近地面的温差最大,所以最好把测量仪安装在
三脚架上,并放置在测量场所的中央。
除了外来的影响因素之外,仪器本身的状况 (例如仪
器摔落了或遭受强烈撞击)也会影响找平精度。所以
操作仪器之前,一定要先检查仪器的精度。
如果在检查时发现测量仪器的偏差超过最大极限。必
须把仪器交给博世顾客服务处修理。
如果针对横轴和纵轴的水平激光的水准精度位在最大
许可误差范围中,代表仪器也检验了垂直激光 (垂直
轴)的水准精度。
检查横轴的水平水准精度
检查时得在距离墙壁 20 米处架设仪器,摆放仪器的
地板得结实平坦而且测量距离上不可以有障碍物。
使用支架例如三脚架把测量仪固定在距离墙壁 20
处。您也可以把仪器放置在结实平坦的底垫上。开
动测量仪。
把和测量仪横轴平行的两道侧面激光的其中一道激
光指向墙壁。让测量仪找平。把投射在墙上的激光
中心点打上记号 (点 I)。
把测量仪旋转 180 度,但是不可改变测量仪的高度。
让仪器找平。把另外一道侧面激光投射在墙上的激
光中心点打上记号 (点 II。尽量让点 II 位在点 I
的正上方或正下方。
墙上点 I 和点 II 的差距 d便是测量仪在横轴的实际
高度误差。
测量的距离是 2 x 20 米 = 40 米。而最大的许可误
差为:
40 米 x ±0.3 毫米 / = ±12 毫米。
I 和点 II 的差距 d 不可以超过 12 毫米。
检查纵轴的水平水准精度
检查时要找两道距离 20 米的墙 A 和墙 B,地板得结
实平坦而且测量距离上不可以 有障碍物。
使用支撑或三脚架把测量仪固定在靠近墙 A 的地
方,您也可以把仪器放置在结实平坦的底垫上。开
动测量仪。
把和测量仪的纵轴平行的水平激光投射在靠近仪器
的墙 A 上。让仪器找平。把投射在墙上的激光中心
点打上记号 (点 I)。
把测量仪旋转 180 度,让仪器找平, 并在投射于墙
B 上的激光中心点上做记号 (点 II)。
把测量仪移近墙 B (无须旋转测量仪),开动测量
仪,并让仪器找平。
调整测量仪的高度 (借助三脚架,必要时得使用垫
块) 让激光中心点准确地投射在墙 B 的点 II
20 m
d
180˚
A
B
20 m
A
B
180˚
A
B
OBJ_BUCH-815-003.book Page 143 Thursday, May 15, 2014 10:51 AM
143


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