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Detailed Description
On difficult surfaces, the markers are permanently fastened with plugs and screws. A protrusion where a meter ruler or measuring rod can be placed guarantees the exact measurement of the height.
Crosshairs are imprinted on the backing plate under each reflective target to ensure the survey point is durably marked. For distance measurements with total stations, use only targets with reflective sheets.The ranges depend on the survey instrument and are influenced by weather and ambient conditions.