Building decoration with the Spirit Level of how to choose
There are two types of horizontally. One is that the body must be in a horizontal state to work level. The other is the level that the fuselage must be in a horizontal state to work and any state that the body can work and use.
1--- body must be in the state level to the level meter, level meter is in use, the necessary at the level of the state to work. If the level of the level of the body base on the error of 5 degree, the level of instrument can adjust the cast line (Ray) level. The state level in use, can not arbitrarily level the level of the body will be destroyed; otherwise, the level will not work. When the level of the level of the body is in the level of relatively large errors, need to adjust the level of the external stent or its own small tripod, let the body to maintain the level of level to work.
This level, horizontal and vertical projection line can only be fixed under the condition of horizontal line and the vertical line; especially the horizontal line can be used in small range mobile height direction, change and move the horizontal line is not at any angle, the horizontal and vertical line cannot be arbitrary switching. Therefore, in the decoration in engineering practice is not very convenient to use, make people feel very helpless.
This level, to make the horizontal position range in the direction of height 100 mm above the upper and lower mobile use, we must use a tripod or special lifting platform frame it; so easily in a collision accidentally let a level fall from a height and scrap.
The level of 2--- must be in a horizontal state, and the type of work that can work and any state of the fuselage can work and use. When it is used, it can turn off or use the function that the fuselage must be in a horizontal state to work.
In actual use, turn off "when the body must be the function in the state level to work", the level can be in any working condition. When the level is in any working condition, can be the level of the body at any angle at any level, can work normally, the projected projection with the actual state of the mobile body of any change.
This level is placed in position unchanged, both in the horizontal and vertical projection of the projection line, and can let the projection transform any angle; horizontal projection in the height direction (i.e. projected range on the wall) mobile lifting can be freely (0 degrees to 90 degrees the), which can range from 100 mm to the height of the real item (i.e. horizontal projection from a height of 100 mm to infinite height), horizontal and vertical line can be arbitrary switching. The horizontal and vertical line can be projected two vertical lines at any angle in the wall facade. So, this level is very convenient to use.
In the market, the body must be level products in the state level to work in the majority, in fact the two level of the price is not much difference; the body must be level in the state level to work with any type of body state can work with relatively little.
So, you want to use a very practical level in decoration, in the purchase level, in addition to understanding the level of the projected line number, also must understand the types of the level of the work state. Otherwise, only consider the projection line level number, and do not understand type level work state, may buy "body must be in the state level to the level of instrument", resulting in the decoration function greatly.
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