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1 609 92A 0KK | (7.5.14) Bosch Power Tools
自動找平功能
使用自動找平功能進行測量
把測量儀器放置在平坦、堅固的地面上,或者把它固
定在支撐 19 或三腳架 22 上。
使用自動找平功能測量時必須把起停開關 7 推到
"on"的位置
自動找平功能能夠校平小的起伏,它的校平範圍在
± 之間。只要激光束不再移動,則表示測量儀已
經完成找平的工作。
如果不可能進行找平,例如測量儀器的放置位置的水
平傾斜度超過 度,激光會快速閃爍。如果啟動了
信號聲功能,儀器會發出快速信號聲,最長可達 30
秒。在開動儀器后 10 秒鐘之內,這個警告功能便會
被解除,以便操作者能夠調整好測量儀器。
把測量儀器擺好在水平的位置上,並且讓儀器自動找
平。只要測量儀器放置的位置在儀器自動找平的範圍
(±4° 度),激光便會持續亮著而且信號聲會被
關閉。
如果在測量中途踫了儀器或移動了儀器,儀器會重新
自動找平。此時,最好拿一個基準點重新檢查水平激
光束和垂直激光束的位置,以避免測量錯誤。
不使用自動找平功能時的測量工作
操作儀器時如果不想使用自動找平功能,要將起停開
7 推向 "on"。關閉了自動找平功能之後,指示
6 會亮起紅光,激光線段會緩慢地閃爍 30 秒。
關閉了自動找平功能後,便可以把測量儀拿在手上,
或者放在合適的底墊上操作。進行交叉測量時,水平
激光束和垂直激光束的交叉角便不會被強制成
90 度。
找平精度
影響精度的因素
操作環境的溫度是最大的影響因素。尤其當溫度從地
面朝著天花板逐漸改變時,極可能改變激光束的投射
方向。
由于接近地面的溫差最大,所以當測量距離超過
20 米時最好把測量儀安裝在三腳架上,另外盡可能
把測量儀器放置在測量場所的中央。
除了外來的影響因素之外,儀器本身的狀況 (例如儀
器摔落了或遭受強烈撞擊)也會影響找平精度。所以
操作儀器之前,一定要先檢查儀器的精度。
先檢測水平激光線段的找平精度,接著再檢查垂直激
光線段的找平線段。
如果在檢查時發現測量儀器的偏差超過最大極限。必
須把儀器交給博世顧客服務處修理。
檢查橫軸的水平水準精度
針對這項檢查,您必須找一段無障礙物的 5 米長線
段,而且該測量線段必須介于兩面牆 A B 之間。
把測量儀安裝在三腳架上,並把三腳架擺在靠近牆
A 的位置,或者把儀器放置在靠近牆的堅實、平坦
的地面上。開動測量儀,並選擇有自動找平功能的
交叉測量。
把激光束對準比較靠近的牆 A,並讓測量儀找平。
找出激光束在牆上的交叉點,並在該點的中心位置
打上記號 (點 I)。
把測量儀旋轉 180 度,讓儀器找平。找出激光束在
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。
A
B
5 m
A
B
180°
A
B
OBJ_BUCH-907-003.book Page 182 Wednesday, May 7, 2014 1:39 PM
182


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