承裝修試電力設施許可證水準儀承裝承修四級資質工具供應
水準儀(英文:level)是建立水平視線測定地面兩點間高差的儀器。原理為根據水準測量原理測量地面點間高差。主要部件有望遠鏡、管水準器(或補償器)、垂直軸、基座、腳螺旋。按結構分為微傾水準儀、自動安平水準儀、激光水準儀和數字水準儀(又稱電子水準儀)。按精度分為精密水準儀和普通水準儀。
 
每公里往返測量高差標準偏差                     ≤
望遠鏡                                                   正像
放大率                                                   38×
物鏡口徑                                                45mm
短視距                                               
乘常數                                                   100
加常數                                                   0
補償器工作范圍                                       30′
安平精度                                                ± ″
圓水準器靈敏度                                       10′/2mm
測微范圍                                                10mm
測微尺格值                                            
可估讀值                                               




承裝修試電力設施許可證水準儀承裝承修四級資質工具供應