Level is a tool for performing accurate measuring work. This instrument allows you to abandon infinite measurement of the roulette and using a bubble level. Initially used in the sphere of geodesy, now the laser device is available even for home use. How to figure out in a variety of proposed models? After reading the recommendations, it will be easy to do. When choosing a laser level, the following parameters are taken into account.
1
The accuracy of the device depends on the projection error. There is a direct connection of this characteristic with a level of level. Low budget devices allow an error in 2-3 mm per each 10 m of distances to the plane placed. Rotary and professional error models are stacked in 1 mm.
2
The range is the size of the working area, may be indicated as a diameter value or the size of the radius. The indicator also depends on the laser used: the red color beam is applied in standard models, and a green laser has the best characteristics. The ability to work in a pair with a reception unit increases the range of action.
3
Self-leveling parameters - the limit for automatic adjustment of the position of the level. A practical option is considered to be 5-6 °. The speed of operation of the compensator and blocking, which is necessary during the transportation of the device and the ability to use it on the slope.
4
Power supply - Finger batteries or battery can be applied. In the first case, the plus is their fast replacement for new, but minus there will be a high cost of such nutrition. Batteries have a greater power, respectively, the time of continuous operation with them is much higher.
5
Level execution - type of housing, depending on the permissible operating conditions. There are tools with protection when falling, allowing to work in dust or under heavy rain. Some models cannot be used at negative temperatures or in severe heat.
6
Installation of the device - some useful additions go in factory supplies, others have to purchase separately. Here is a list of what can come in handy when working with levels:
Bag (suitcase);
Universal mount;
Charging and spare battery;
Remote;
Receiving device;
Rake geodesic;
Tripod.
Anyone who has tried a laser level a couple of times in the case, no longer wants to return back to the use of old-fashioned bubble levels. And the cost of such an appliance pays off with accuracy and speed of work.
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