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Best practices when using a rotary laser level

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Generally, almost all laser levels are safe as long as not staring into the light source for some period of time. However, for your safety, the safety of others and the durability and accuracy of the rotary laser, there are some practices that are best to be followed. Brought to you by the Laser Tool Specialist, here are some of the practices and precautions for rotary laser level.

1. Protective equipment

As mentioned, lasers from rotary laser levels are not harmful under certain circumstances. However, it is best to protect yourself and your colleagues against all possible situations. Protective equipment, for instance, is crucial for everyone on site.

Coloured glasses or eye-wears are one of those. Despite the fact that you might look weird wearing those red or green glasses, it is very helpful in reducing the strength of light before it hits your retina. As a highly vulnerable part in your eyes, prolonged exposure to strong light are likely to result in retinal diseases including macular degeneration and retinal detachment.

In addition, more reliant to laser receivers rather than your own eyes could help to minimize the time needed to stare at the high intensity light from the rotary laser level, albeit it is necessary for outdoor use cases.

2. Correct setup

Most rotary laser levels on the market currently are equipped with auto levelling feature to level the laser for maximum accuracy. However, setting up your rotary laser level properly is hugely beneficial as well.

When setting up your rotary laser level, ensure the tripod is stable, especially in outdoor environment, before mounting your laser level onto it. It helps to keep your rotary laser level steady while working and, more importantly, ensuring it won’t fall and destroy the expensive equipment.

Before starting up your rotary laser level, it is best to level the equipment with the onboard bubble level first. It minimises the potential impact on accuracy as the auto levelling of the rotary laser level only work to a certain extent.

After setting up your rotary laser level, effort should be made to keep it stable and away from interference. When working on a platform, the vibrations from workers passing by could affect the accuracy of the laser level. And the placement of the laser level should be highly visible for workplace safety.

car on road

3. Temperature and wind

While this problem mostly occurs in outdoor scenarios, the effect of temperature and wind on rotary laser level should not be overlooked. As light is one of the major factors to the accuracy of rotary laser level, the effect of temperature and wind on light will impact the accuracy of rotary laser level, especially over longer distances.

To simplify the explanation of the relationship between temperature and light, you can imagine the mirages of tarmac road in hot weather. The temperature difference among different surfaces would affect the rise of air that deflect the laser.

And as wind is basically an air movement, it could deflect laser by around 0.2mm per every 10 metres, not to mention extreme conditions.

Therefore, when setting up your rotary laser level, it is best to set the level on the same material surface as the measurement points and avoid tarmac and concrete surfaces.

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