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See DetailsPrior to utilizing an slope measuring ruler, calibration is essential to ensure accurate measurement results. Gather the necessary tools and establish a suitable environment, selecting a stable and level surface to eliminate vibrations and inclinations. During the initial inspection, examine the slope measuring ruler for any visible damage or deformations, and clean the surface to remove dust that could interfere with the readings. Subsequently, place the slope measuring ruler on a horizontal reference surface, record the scale value or digital display reading, and then flip the inclinometer 180 degrees in the same position and take another reading. If the two readings are identical or within the permissible error range, calibration is accurate; if not, adjustments may be required, typically involving adjustment screws or an internal calibration procedure.
Next, proceed with vertical calibration. Place the slope measuring ruler vertically against a known vertical reference surface, record the reading, and then flip the inclinometer 180 degrees on the vertical reference surface and repeat the reading. If the two readings are identical or within the allowable error range, vertical calibration is accurate; otherwise, make the necessary adjustments. Ensure consistent readings by performing multiple measurements and recording calibration data, repeating the calibration procedure under different conditions and environments. These steps guarantee the accuracy of the slope measuring ruler's measurements and maintain its efficiency and reliability in daily use.