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1 609 929 W91 | (20.5.10) Bosch Power Tools
检查水平激光束的高度精度
针对这项检查,您必须找一段无障碍物的 5 米长线段,
而且该测量线段必须介于两面墙 A B 之间。
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。
把激光束对准比较靠近的墙 A,并让测量仪找平。找
出激光束在墙上的交叉点,并在该点的中心位置打
上记号 (点 I)。
把测量仪旋转 180 度,让仪器找平。找出激光束在
B 上的交叉点,并在该点的中心位置打上记号
(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)让激光束的交叉点,准确地投射在墙 B 的点 II
上。
把测量仪旋转 180 度,但是不可改变测量仪的高度。
调整测量仪,让垂直方向的激光束穿过墙 A 的点 I
让测量仪找平,并且在墙 A 的激光束交叉点上做记
号( III)。
A 上点 I 和点 III 的差距 d便是测量仪的实际高度
偏差。
您可以使用以下的公式计算最大的许可偏差 d
max
:
d
max
= 两倍的墙壁间距 x 0,3 毫米 /
范例:如果墙壁的间距为 5 米,那麽最大的许可偏差
d
max
=2 x 5 x 0,3 毫米 / = 3 毫米。 所以记号之间的
距离,不可以超过 3 毫米。
A
B
5 m
A
B
180°
A
B
d
180°
A
B
OBJ_BUCH-1236-001.book Page 214 Thursday, May 20, 2010 12:26 PM
214


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