A line was measured using a Total Station Instrument and a distance of 763.365’ was read....
A line was measured using a Total Station Instrument and a distance of 763.365’ was read. Given the following possible error data, what was the estimated error in the distance of the line?
Ei (Instrument miscentering error) +/-2 mm, Er (Reflector miscentering error) +/-3 mm Ec (Instrument constant error) +/-2 mm Es (Scalar error) +/-2 ppm
Homework Answers
- Measured horizontal distance with total station = 763.365 ft = 232673.652 mm
Given that
- Instrument miscenteing error Ei =
2 mm - Reflector miscentering error Er=
3 mm
- Instrument constant error Ec =
2 mm
- Scale error Es=2
ppm
-> Estimated error in distance = 
=
=4.15
mm
So, estimated error in the distance of the
line =4.15
mm
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