leveler - a device that is used in surveying to determine the height difference between the various points.This device can be used in many areas.As a rule, the construction work on the stage of correction of foundations or floors, marking land, installation of different frame structures, installation of drainage systems, internal repairs to the premises and more.There are three main varieties of the device according to the principle of its operation: optical, laser and digital.
most common and simple
Levels Optical leveler is the most simple and common.Its main elements - a telescope having a sighting axis and the plate level.On the basis of the place of work, the operator automatically adjusts a tube which rotates around its own axis.Calculation of the distance here is due to the rack with centimeter markings and EDM, which consists of three strands.Dividing the distance between which is 10 millimeters, can be applied to a white, black or red.In order to simplify counting every five of them are arranged in groups, forming the letter "E".In order to take readings, you need to count the number of divisions between the lines.Optical level - device, the use of which increases the risk of making a mistake.In this regard, it is important to follow the correct installation of the appliance.It must be fixed tripod screw so as to ensure the smooth running of lifting screws.At the same time, it is necessary that the bubble has been leveled in the same position, even when turning the tube in opposite directions.
most accurate measuring instruments
leveler laser differs from the previous type of its internal structure and working principle.Deviations in the case of such a device is determined by the beam projected on the surface with a pendulum, which is integrated into the housing.It should be noted that it is aligned automatically.Something similar has been used since ancient times.Then, under the pendulum magnets installed.They created a magnetic field which, in turn, did not allow the pendulum to swing.Nowadays, laser level - a device that provides the most accurate results.Talking about how it works, you can not forget about another important element - the optical system.It consists of three diodes creating beam.With the passage of electricity through them appear photons, which, after reflection from the mirror of the transparent walls located in the area of the conductor as a powerful flux.After overcoming the entire lens system and appears projected onto the surface of the beam.
digital levels
digital levels - a device which by its structure and principle of operation is much like an optical.The main difference is in the process of removing the samples from the rack.The electronic device it is automatic.The processor reads the data, and then displays them on the screen.Managing such a device occurs through use of the keyboard.Due to the fact that the calculations are performed automatically, they are more accurate, because in this case excludes the human factor, ie the possibility of operator error.
