Levelling staves and folding rules, bar-code and invar staves, accessories
The precision of a leveling does not only dependent on the quality and alignment of the level, but also on the quality of the leveling rod. The most popular and above all very cheap telescopic leveling staffs in import quality work well for simple construction leveling.
For engineering leveling recommended because of the higher accuracy in the production of pale wooden folding staff to DIN 18703 or invar.
If you do not want to do without a telescopic staff, you should choose a model by NEDO. Also keep these slats normally a tolerances of DIN 18703rd
With telescopic leveling staffs, the snap buttons are considered consumable. The lifetime of the snap buttons and tours can be extended considerably by regular cleaning.
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