FAQs about laser levels

Q1. What is the best laser level?

This is probably the most common question, but it is rhetorical. There are a lot of good, high-quality laser levels, it is simply impossible to single out the best one of them!

If it is difficult to make a choice, then proceed as follows:
1. Choose 2-3 models you like
2. Write down all the pros and cons for each model in the table. (price, functionality, build quality, ease of adjustment, scope of delivery, and so on, up to the design)
3. Based on this data, make a choice.

I also recommend looking at the article “How to choose a laser level?

Q2. How convenient is the laser level for working outdoors? What is the visibility at a distance? Is it worth taking for work in sunny weather, or will an optical level be better?

With any laser level, for comfortable work on the street, you need to use a laser receiver.

With such a receiver, the working area at the laser level increases from 80-200m in diameter, depending on the model. Or from 300 to 1500 meters for rotary laser levels, also depending on the model.

Another advantage, in contrast to the optical level, is the fact that you can work alone without a partner.

Q3. At what distance will the laser line from the laser level be visible on the street during the day?

It is impossible to say unequivocally. It all depends on the degree of illumination.
If the sun shines directly on the work surface, then at 3 meters it is unlikely that something can be seen.
If the line is in the shadow, then 7 meters maximum.
If it is deep twilight outside, then at 20-25 meters the line can be seen with the naked eye.
If it is night outside, then the line can be seen from 50 meters and above.

For comfortable work on the street, you need to use a special laser receiver, which is sold separately. If we talk about rotary laser levelers (for example, Firecore FRE207R), then such a receiver is usually included in the delivery package.

Q4. When the laser level is turned on with the pendulum locked, the planes shine at a slight angle. The point on the floor (plumb line) is visible depending on the angle of rotation, can this be fixed somehow?

The pendulum is locked mechanically, it is simply clamped, resulting in a slight displacement.
In this mode, the level is not marked, this mode is designed specifically for marking lines under any arbitrary slope.
To mark the level directly, you need to unlock the pendulum and install the device on a fairly flat surface.
There is no question of “fix” here at all, since this is the absolute norm for such a mechanical fixation of the compensator.

Q5. When the compensator is locked, the pendulum does not completely lock and hangs a little. Is this normal?

A small backlash is allowed, there is nothing critical about it. In other cases, the locking mechanism is broken, if it is provided. There are laser levels that do not have a pendulum lock. They are few, but they are there.

Q6. Oscillation of the beam, the laser line is constantly twitching up and down. How do I fix this?

All laser levels with a pendulum-type compensator on MAGNETIC dampers have this effect, expressed to varying degrees.
This unstable magnetic field affects the pendulum, hence such micro-pumping of the lines.
This effect is completely absent in laser levels with an electronic compensator on servos, for example, as in the FIRECORE FIR-GL8-EA or Huepar DT03CG.

Q7. How long do the batteries last?

Depends on how many planes are enabled at the same time. Also, the duration depends on the color of the laser. A red laser requires less energy than a green laser.

Another frequent question: – ” Which batteries to buy, expensive or cheap?”. To answer this question, it’s best to watch this video.

Q8. Why is the thickness of the laser line in the photo thicker than it is written?

Due to the high brightness of the lines, the camera matrix cannot convey the true thickness, so the lines appear thicker in the photo.

Q9. Which is better for home - 3D or 4D laser level?

Both are great. 4D just might be more convenient in some situations and that’s it.

Q10. What is the receiver operation mode?

For a better understanding, watch this video.
The video is old, but there will be understanding. The receiver is needed to work on the street at a longer distance, when the line is not visible. Not all laser levels can work with the receiver. For more information, see the laser level reviews in the technical specifications.

Q11. Which is better - a red beam or a green? With what color of laser to buy a laser level?

All other things being equal, the green laser is seen better, it is brighter. For a better understanding, watch this video.

Q12. Is there a guarantee for laser levels with Aliexpress?

With a guarantee, as everywhere else – you will have to prove that the failure was not your fault. That you used it correctly: at an acceptable environment, temperature, that you did not wet it, that you did not drop it, did not hit it, and so on…

So, in principle, everywhere with all the equipment. So it’s complicated.
For example, you can register with Huepar (information in the instructions) and get a 2-year warranty, but how it all works in practice is difficult to say.
If the device is in active use, then after a month it looks as if they played football with it.

Q13. Which laser distance meter is better to choose for outdoor use: with a green beam or with a built-in video camera?

The camera is definitely better. This is a kind of digital sight.
On the screen there is a sight, this sight is most convenient to make a measurement to the desired point during the day on the street.
In the sun, the laser point will not be visible at 10-15 meters. Here only a digital (camera) or optical sight saves, the latter is now practically not found.

Q14. Why did the horizontal line become very dim, while the vertical lines remained bright?

There may be several options:
1. A hair has come off or not one (very thin wire)
2. The contact inside the module is broken
3. The radiator burned out
4. The battery runs out

Q15. The laser level stopped making sounds when tilted. What to do?

You need to disassemble and look at the contacts associated with the speaker.

Q16. How to fix the 90 degree angle on the laser level with cone prisms?

As a rule, the angle of 90 degrees between the verticals is not a declared characteristic, and if the error is up to 5 mm when checking at 5 meters, then consider yourself lucky.

You can try to adjust it more precisely. This is done with the same bolts that adjust the position of the laser modules individually (for more information, see the laser level reviews).

But here you need to understand that by adjusting the angle of 90 degrees, you will simultaneously affect the accuracy of the vertical. Therefore, you need to look for a “golden mean”.

Q17. How to fix the adjustment bolts (hexagons) after adjustment?

To solve this issue, the usual nail polish is perfect.

Q18. Is it possible to distinguish Sharp laser modules from Osram by their appearance?

It is almost impossible to find out which laser modules are installed. Just look at the quality of the performance and the laser line.

Q19. If the glass under the prism is broken, can it be replaced?

Theoretically, you can replace it, but this process is definitely not easy. You can try to find the glass here.

Q20. Where can I buy a laser module?

You need to search on Aliexpress. They differ from each other, so you need to look at which laser diode is suitable for your laser level. For example, you can send a photo of your module and ask this seller.

Q21. When the laser level is turned on, there are additional random oblique lines, what could this be and how can it be fixed?

These stray lines occur with all green laser levels regardless of brand.

Because of the very high luminous intensity of the green laser, reflections from any small reflective surfaces occur.

Also oblique short lines appear when laser light passes through the glass junction of the protective tower, where a small portion of the laser line is refracted and a visible parasitic short line appears.

This is not a defect, it is a normal phenomenon for laser levels with cone prisms and protective towers. Instruments with red laser also have such beams, but they are just faintly visible.