The correctness of the construction of various structures is checked by construction measuring instruments. Among the most common parameters that determine the stability and safety of a building, one can single out the horizontal and vertical parts. And if earlier, bubble theodolites and levels were used to test deviations, today such tasks are solved using the laser level. This is a good helper not only in professional construction, but also in ordinary repair activities. For example, it is often used in finishing works, when installing partitions, wall cladding, etc.
Device and features of the laser level
Devices of this type are based on LED elements that emit a luminous flux. As it propagates, the emitted wave is converted into a laser beam. While still in the device, he bypasses the optical system, which includes a lens and a prism. In this part, it is projected onto the target object. The system for constructing rays can be very different. For example, the simplest models are horizontal and vertical laser levels, which are more often used in the household sphere. More sophisticated devices span 360 degrees. The more rays, the easier the marking is applied, and several cross lines form entire systems of projections in different planes. At the same time, laser levels differ in principle of operation and design features. There are two types of such devices:
- Linear Also, this design is called prismatic, since the light beam is directed perpendicular to the prism. Streams of light are projected strictly onto the object or plane onto which the apparatus is oriented. As a result, a point or several lines are positioned on the surface, allowing for complex marking.
- Rotational. Models that have not a stationary, but a rotating LED in the design. It is he who allows you to build 360-degree circular projections, focusing the rays on the lens. The markup is built once along the perimeter of the entire room or within the construction site, which makes it possible to work simultaneously for several specialists.
Regardless of the type of device, a fundamentally important criterion for high-quality marking and verification of the position of the object will be a reliable installation of the tool body. For convenience, it is recommended to use self-leveling laser levels. This is a good version of the level for domestic needs, when a reaction to the slightest deviations of 3-4 degrees is required. It is quite difficult for a non-professional to independently detect such errors, and the built-in compensator of the device will notify the user of possible deviations.
What characteristics to choose a tool?
Among the key operating parameters of laser levels, first of all, we can distinguish the range. Depends on this characteristic how far in principle the device can project rays. The radius varies from 2 to 20 m for household appliances, and from 50 to 100 m for professional link models. However, highly specialized levels can work at distances of the order of 300 m.
The next important characteristic is the magnitude of the error. It must be emphasized right away that the so-called accurate levels on LEDs are not the most correct in terms of line building. This is the name of home levels that build only one ray in a straight line. But the accuracy of the projection as such is expressed in millimeters through an error ranging from 0.8 mm to 0.2 mm per 1 m. Accordingly, the smaller this value, the more accurate the readings of the instrument.
If you plan to use the level on the street, it is better to evaluate in advance its capabilities for working in different temperature conditions. For example, if the manufacturer indicates the operating range within 5 to 40 ° C, then the device can be used either indoors or outdoors in warm weather. But there are models with special coatings that are allowed to work at subzero temperatures down to -10 ° .
Now you should familiarize yourself with the rating of laser levels from 10 positions, in which the best representatives of this group of measuring instruments are represented.
10. Geo-Fennel-Ecoline EL 168
Compact, lightweight and mobile device with a fairly wide functionality. Its capabilities are enough for performing tasks at the construction site, and for operational marking within the premises. The working distance is average, 20 m. The beam can be switched in different directions, while counting on high accuracy. Since the device has a very modest performance, then the battery lasts for a long time - two small power units provide up to 24 hours of continuous operation.
If you do not take into account the dubious versions of the device from little-known Chinese manufacturers, then this will be the cheapest laser level in the segment - its cost is only 1.5 thousand rubles. A close competitor of about the same level from a major manufacturer is Bosch PLL 5. This version is estimated at 2.3 thousand rubles. and also differs in compactness. The difference lies in the fact that the PLL 5 model belongs to high-precision levels, but at the same time its radius of action significantly loses the projection range of EL 168 - 5 m versus 20 m.
9. ADA Phantom 2D Set
ADA is one of the most respected brands in the measuring equipment segment, as evidenced by the high quality of its products. The Phantom 2D Set device costs 6 thousand rubles. and it will be interesting to finishers who need to build in two planes with a self-leveling function. Using the device, you can build individually or together horizontal and vertical lines. An ergonomic keyboard is provided for control, and physical handling is simplified thanks to a wide configuration with a wall lock, tripod and special glasses. Owners praise this model for its ease of use with ceramic tiles - especially when laying on the entire wall. The only serious minus relates to the weak brightness of the beam, which manifests itself at a distance of more than 15 m.
As an alternative to the “tiled” level, you can offer a cheaper version of the X-Line HELPER 2D, the cost of which is 3.5 thousand rubles. The advantages of this version include wide functionality with auto-alignment and many indicators. Which laser building level is better - Phantom 2D Set or HELPER 2D? They have almost identical technical and operational characteristics and a noticeable difference is only in cost. But, again, the basic quality of ADA products deserves an overpayment, so with the expectation of long-term operation, you can prefer the Phantom 2D Set.
8. DeWalt DW 083 K
This model represents a class of point levels. For 8 thousand rubles. the user receives a lightweight mobile device that allows you to build a markup within 180 degrees from one point in one place. As users note, the DW 083 K is durable, with protective devices like a pendulum blocker (effective for transportation) and convenient one-button operation. The range for an accurate household level is also acceptable - 30 m. Only a limited number of rays can alert you, but for home use they are usually enough. The model is suitable for those who want to have a reliable, simple and versatile tool for accurate marking in the household.
7. Bosch GRL 300 HV
A professional rotary apparatus is, by the way, one of the cheapest in its class (8 thousand rubles). The model is provided with an electronic error compensator in the range of 5 degrees. In addition to horizontal and vertical lines, the GRL 300 HV can build specially point projections, plumb lines and complex marking contours. The peculiarity of the device is that it is a laser level with a green beam. This color is determined by the use of more powerful optics, which also characterizes the accuracy and clarity of the laid line. The projection will be clearly visible even in daylight. This device is also beneficial for those builders who work on large sites. Using a special receiver LR 1 Professional, the range of the device can be brought up to 300 m. The package also includes mounting accessories with a proprietary WM 4 holder and remote control RC 1 Professional.
6. "Ermak" 659-023
A budget model from the class of rotation levels, which is suitable for both professional and domestic use. However, the range of about 25 m still imposes restrictions on the use of the device in large spaces. Reviews note that the device quickly scans the site and automatically informs about the slightest tilts of the plane. In automatic mode, horizontal lines are also marked. In the ranking of laser levels with support for rotational action, this is the most accessible version, since its cost is 3 thousand rubles. Another thing is that in terms of accuracy, Ermak is inferior to the counterparts from Bosch and DeVolt. The difference will again be offset by a more favorable price tag. One way or another, the device turned out to be lightweight, maneuverable and durable. Owners point to good insulation with housing protection, which is not afraid of either dirt or dust with water.
5. Condtrol XLiner Duo
A level of the middle price category, the cost of which is 8.5 thousand rubles. This is an optimized version of more developed models in the XLiner family of laser levels, but it has a significant advantage - the range is up to 50 m. Using a special Condtrol distance detector for levels, you can double this distance. Also, the device has a protective coating of the case with rubber pads, can work with rotary angles of up to 160 degrees and project clear and bright rays. As for the shortcomings, the ergonomics and functionality of the device are still focused on a narrow specialization. This is the optimal laser level for walls on a large construction site where the construction of vertical and horizontal lines is required. The model is suitable for professional builders of capital facilities, but for life it is too massive and overloaded with excessive capabilities.
4. Bosch GSL 2 Professional
The vast majority of laser levels are designed to build lines on vertical planes. In this case, the manufacturer offers a tool designed specifically for working with floor coverings. In laying the floor, this device allows you to evaluate the evenness of the base, adjust the finishing material, check the quality of the screed, etc. In its class, this is a good laser level both in terms of technical performance and in terms of the efficiency of work functions. The disadvantages include only a high price tag of about 30 thousand rubles. But he also justifies himself, since the filling is equipped with modern electronic control, control is carried out with the remote control, and the kit also contains glasses for more clear visibility of the rays.
3. Condtrol XLiner Combo
Another development of the renowned measuring tool manufacturer, Condtrol. This is a professional version of the multi-prism level, which in addition to horizontal and vertical rays also allows you to direct five intermediate lines. Moreover, the rays are formed both in one complex, and separately - depending on the tasks. Users note that this is a good laser level for outdoor use. It is unpretentious to operating conditions - including humidity and temperature conditions. The positive qualities of the model include a wide range of equipment, which includes holders, a case and a special target for directing the rays.
2. KAPRO 3D 883N
A decent quality model of a rotating laser level, which in the range of 360 degrees can guide two vertical and one horizontal line. The radius of action in this case is 60 m, but only if the receiver is connected. The device has well-implemented automation with all the features for self-leveling and minimizing errors without user intervention. In general, this is a good 360-degree laser level for working outdoors. The manufacturer has provided the necessary accessories for use in harsh conditions. For example, in the basic set there is a hard case, an arm for fasteners, a target and batteries with the expectation of autonomous use of the device.
1. Bosch GRL 300 HV
The premium version of the laser level, which is considered the best device for industrial applications. The primary and main purpose of the model is to measure the inclination of surfaces, both indoors and outdoors. Regarding the quality of work, users emphasize high accuracy, ergonomics, autonomy and reliability. It is important to note the power system, which is based on a NiMH battery cell. If necessary, it can be replaced by a power supply, which is convenient when working on a site with network access. Of particular note is the functionality that matches the 3D laser levels of the ADA Cube line. In particular, the model is provided with an informative option “anti-shock”, which notifies about the vibrations of the device. You can control the device through the remote control or LCD display with hardware buttons. The protective properties of the GRL 300 HV are implemented according to the IP 54 standard, that is, the design is insulated from water, dust, shock, etc.
Laser Level Operating Instructions
Before starting work, the device status, charge level, housing integrity and correctness of readings are checked. It is advisable to test it before use for accuracy in different modes. Then you can proceed to the installation of the device. It is necessary to prepare the installation site in advance, as well as the fastening equipment - brackets for fixing and a tripod (if necessary). How to set the laser level? To do this, the following procedure is performed:
- First of all, the immobility of the device must be guaranteed.
- The projection direction is cleared - there should be no obstacles in the path of the beam.
- Place the structure at the maximum permissible close distance.
- Before starting measurements, the horizontal level is leveled. To do this, use a mechanical bubble level, an automatic compensator or an integrated level.
Next, you can proceed to configure the device. At this stage, it is important to emphasize the difficulty of preparing some models. Sometimes mobility is required to quickly perform operations, which will allow you to quickly perform measurements with frequent transitions around the site. Which laser level is best suited for such purposes? It is advisable to use point models like the Bosch GPL 5. This version is productive and at the same time functional in working with the construction of straight lines. But in this case, control by the user is required during alignment - deviations should not exceed 10-15 degrees. If necessary, adjusting screws on the housing can be used for manual correction.
Rotational models have two main settings - according to the speed of rotation of the beam and the angle of its feed. Experts recommend including a vertical axis even when using horizontal lines. It will provide more accurate readings with the ability to control the main projection. But, in this case, more energy will be required for the work process, which is also not always acceptable. To facilitate the work, you can use targets or slats on which the beam is supplied.
What else is taken into account when choosing a device?
The selection criteria should be considered comprehensively, since in the operation of the device there are many technical and ergonomic nuances. Of course, the main parameters of the device’s operation, such as range, accuracy and functionality, are put at the forefront. But also do not ignore ease of use. For example, modern Bosch levels demonstrate to the greatest degree the advantages of an intuitive and at the same time simple control system. It also focuses on physical ergonomics - mounting options, compatibility with latches and tripods.
In outdoor works, the security of the case plays an important role.As shown by a review of laser levels, the models are initially oriented towards application in a room or construction site. The second category of devices is provided with universal dust and moisture protection with shockproof housing.
In conditions of remoteness from the sources of network power supply, the device’s operating time without recharging will also be significant. As a rule, in the mode of activity of the 1st line, the devices can work for 18-24 hours. If 2-3 beams are connected, then the time is reduced to 6-12 hours. The method of power supply is very important. In addition, 3D laser levels with a range of up to 20-30 m consume a full average on average in 5 hours. Batteries and different types of batteries manifest themselves differently in temperature fluctuations. For example, at subzero temperatures, delays in scanning a level that works on lithium-ion cells are possible. On the other hand, such batteries are considered optimal in terms of performance.
As for manufacturers, the ranking lists the largest representatives of the segment, whose products are distinguished by a high-quality elemental base and technological level. Giving preference to these models, you can count on long-term operation without the need for repair operations.