1. Before using the level ruler, the first thing we have to do is to compare it, and the level ruler needs to be calibrated first. The calibration method of the hand-held spirit level is to first put the spirit level against the wall, level the level of the spirit level, and draw a line on the wall (assuming it is a horizontal line),
Then swap the left and right ends of the level, and place it on the line you drew. If the ruler and the line overlap, and the level in the level tube of the level is still level, then the level is accurate. It is necessary to adjust the screw of the level tube to correct it.
2. The spirit level has a level bubble, which can be used for inspection, measurement, and debugging whether the equipment is installed level. During use, our general spirit level has three glass tubes, and there is a bubble in each glass tube.
Place the spirit level on the object to be measured, which side the bubble of the spirit level deviates, it means that that side is higher, that is, the height of the side needs to be lowered, or the height of the opposite side needs to be increased, and the bubble is adjusted to , it means that the object to be measured is It is horizontal in that direction.
3. In principle, when both horizontal and vertical are present, the angled blisters are also naturally present. The horizontal glass tube is used to measure the horizontal plane, the vertical glass tube is used to measure the vertical plane, and the other is generally used to measure a 45-degree angle. The functions of the three blisters are used to measure whether the measurement surface is horizontal, and the blisters are centered. If the blisters deviate, the plane is not horizontal.
In addition, according to the principle of determining a plane by two intersecting lines, it is necessary to measure two non-parallel positions in the same plane to determine the level of the plane.
4. The maintenance of the spirit level is relatively easy among many measuring instruments. It can be suspended or laid flat. It will not affect its straightness and parallelism due to long-term laying flat, and the aluminum-magnesium light level ruler is not easy to show: No need to apply oil during use, if not used for a long time, lightly apply a thin layer of general industrial oil when storing.
