i would like to know the ppm and scale factore in all total stations.what is that.and what is constant of prism.what is the meaning of that.please reply me anyone.
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Replies
PPM= part per million
Constant of a prism: In surveying, it refers to the offset of the centre of the prism to the reflective section and the adjustment required to achieve an accurate reading.
Each variant of prisms has its own independent prism constant that must accounted for when taking readings.
see attached documents for more explanation... hope this helps
thank you very much