Operating instruction and appropriate treatment of Precision Levels:ġ. According to DIN 877, the permissible deviation is 5μm (corresponds to 0.5 scale division). The permissible deviations are very different according to DIN 877 depending on the accuracy.Įxample: The accuracy of 0.02 mm / m means: If the inclination of 20μm at a distance of 1 meter deviates, the air bubble will move 1 scale towards the higher side. The scale value of the longitudinal level is indicated on the nameplate. Available depending on model and length in the accuracies 0.6, 0.3, 0.1, 0.04, 0.02, 0.01 mm / m. The devices are equipped with polished and split longitudinal spirit level and transverse level. Versions are also available with flat sole, with magnetic inserts or with holes for fixing screws.Ĭustomized designs (other angles) are possible at any time. All measuring surfaces are finely ground. With prismatic (150 °) and flat sole, for aligning horizontal surfaces and waves. Housing recesses allow lateral reading of the dragonfly. The existing full heat protection around the entire housing prevents influences from hand and breath heat. Roeckle precision spirit levels according to DIN 877 have a sturdy design made of high-quality special cast iron, textured. This eliminates time-consuming readjustments and calibrations before measuring. Roeckle guarantees consistent accuracy through tension-free installation of the bubble. The measuring range is 2000 times the value of the set accuracy.Įxample: Encoder is adjustable to 0.01 mm/m fine range andĠ.01 mm / m (10 μm/m), the measuring range is +/- 20 mm/mĠ.1 mm / m (100 μm/m), the measuring range is +/- 200 mm/m There are two measuring ranges adjustable. The exact data are located at the respective product in the shop. The product of precision and number of scale divisions gives the value of the measurement range after each page.Įxample: With an accuracy of 0,02 mm/m (20 μm/m) and 6 scale parts (from the middle to each side) the measuring range is +/- 6 x 0,02 mm/m = +/- 0,12 mm/m (+/- 120 μm/m). 20 ☌ (+/- 5 K) with mechanical spirit levelsĠ ☌ to + 40 ° C with electronic spirit levelsįrom -40 ☌ to + 70 ☌ with mechanical spirit levelsįrom -20 ☌ to + 70 ☌ with electronic spirit levelsġ9.3 mm (special models 4520-4523 for larger shaft diameters)ġ15.9 mm (special models 4520-4523 for larger shaft diameters)ĭepends on the accuracy of the built-in bubble and the number of scale divisions.
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