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1 609 92A 0KM | (19.11.14) Bosch Power Tools
把測量儀旋轉 180 度,讓儀器找平。找出激光束在
牆 B 上的交叉點,並在該點的中心位置打上記號
(點 II)。
把儀器移近牆 B (無須旋轉測量儀),開動測量
儀,並讓儀器找平。
調整測量儀的高度 (借助三腳架,必要時得使用墊
塊)讓激光束的交叉點,準確地投射在牆 B 的點
II 上。
把測量儀旋轉 180 度,但是不可改變測量儀的高
度。調整測量儀,讓垂直方向的激光束穿過牆 A
的點 I。讓測量儀找平,並且在牆 A 的激光束交叉
點上做記號 (點 III
牆 A 上點 I 和點 III 的差距 d,便是測量儀的實
際高度偏差。
您可以使用以下的公式計算最大的許可偏差 d
max
:
d
max
= 兩倍的牆壁間距 x 0.3 毫米 /
範例 : 如果牆壁的間距為 5 米,那麼最大的許可偏
d
max
= 2 x 5 米 x 0.3 毫米 / 米 = 3 毫米。所以
記號之間的距離,不可以超過 3 毫米。
檢查水平方向的激光束的找平精度
針對這項檢驗,您需要一個無障礙物的 5 x 5 米空曠
場地。
把測量儀擺放在堅固、平坦,而且到牆 A 和牆 B
等距的位置上。讓測量儀在水平方向找平。
在距離測量儀 2.5 米處的牆上尋找激光束的投射
點,並在該點的中心打上記號 (牆 A 上的記號為
I,牆 B 上的記號為點 II)。
把測量儀旋轉 180 度後,再把儀器移動到 5 米遠
的位置上。讓儀器找平。
調整測量儀的高度 (借助三腳架,必要時得使用墊
塊)讓激光束的中心點,準確地落在牆 B 的點 II
上。
在牆 A 上尋找激光束的中心點並打上記號,此記
號便是點 III (點 III 得位在點 I 的正上方或正下
方)
牆 A 上點 I 和點 III 之間的距離 d,是測量儀在
水平方向的實際偏差值。
您可以使用以下的公式計算最大的許可偏差 d
max
:
d
max
= 兩倍的牆壁間距 x 0.3 毫米 /
範例 : 如果牆壁的間距為 5 米,那麼最大的許可偏
d
max
= 2 x 5 米 x 0.3 毫米 / 米 = 3 毫米。所以
記號之間的距離,不可以超過 3 毫米。
A
B
180˚
A
B
d
180˚
A
B
2,5 m
,0 m
5,
5
A
B
d
2,5 m
A
B
OBJ_BUCH-1973-003.book Page 202 Wednesday, November 19, 2014 8:19 AM
202


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