8/18/2019 How to check instrument error.docx

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How to check instrument error

Steps

1) In the fgure A & B are end points @ 60 m distance and C is its center point!) "irst set the machine @ C take reading towards A & B #ote down the

reading$) %ake the di erence 'etween the two readings() Set the instrument to point 10 m awa* +rom point A,) %ake the reading +or point A & #ote the reading6) %ake the di erence 'etween the two readings-) I+ the di erence 'etween the resu.t @ step $ and step 6 is more than $mm

the instrument shou.d ca.i'rated