仪器:方法:J1ABJ2观测者:时间:标尺:LEICA条形码尺记录者:日期:成像:清晰稳定检查者:A尺读数aB尺读数b11.56341.4250J1、A、B、J2间距离S21.56331.4251S=20.6m31.56351.42500.03541.56331.4251中数1.563381.4250511.50201.363721.50211.363631.50221.363741.50211.3638中数1.502101.36370i角的计算J2138.402△=(a2-b2)-(a1-b1)=J1138.33SPRINTER200/200M12:30水准仪i角的检验0.35i″=10△=2009.12.15测站观测次序标尺读数(m)高差a-b(mm)a21a1b2bJ1ABJ22Δ2ΔΔΔii2aa1b1b2水准测量应在作业前和完成作业后“分别”对水准仪i角进行检验