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How weather conditions affect laser rangefinders?
Basically all instruments will be affected by climate and climate, laser rangefinder is no exception, next let me introduce to us what factors will affect the measurement accuracy of laser rangefinder.
We all know that the measurement principle of laser rangefinder is to use the straight line transmission and reflection of light for ranging, but during the measurement process, refraction will occur, and then the measurement error will be formed, but the refractive index can be used for calibration.
When the laser is transmitted in the air, it will be absorbed and scattered by the atmosphere. Generally, the shorter the wavelength is, the stronger the scattering will be, and the weaker the absorption will be.
Because the change of atmospheric conditions makes the refractive index of atmosphere in space straight distribution is not uniform, that is, there is a refractive index straight razor.The path of the light beam transmitted in this space will be a curve, so that its light path is not equal to the verse distance, and there is also the influence of the curvature of the earth when the distance is longer.When the ranging accuracy reaches the micron level and the distance exceeds 10-20 highways, curvature correction should be added.
Temperatures also have an effect on laser range finders, which can be disabled by temperatures above 50 degrees and below 40 degrees.
How to do the daily maintenance of laser rangefinder?
As a new generation of precision measuring instrument - laser rangefinder, industry, transportation and daily life are inseparable.So how do we maintain the laser rangefinder in our daily production and life?
We must first understand the composition of the laser in the laser, laser, instrument module, shell, lens composition.The laser and transmission modules need to be cleaned and maintained by professionals during shell maintenance.
The lens is part of the laser rangefinder and needs to be cleaned every day because the laser measures the laser beam by shooting a measuring laser beam through the lens from the shell.Therefore, if the lens is dirty, it will affect the normal use of the laser rangefinder.
If it is an industrial site with poor environment, operators are required to check the tightness of the enclosure on a daily basis.For the laser universal transmission module in the shell, it is necessary to find professional personnel to open the shell for maintenance inspection regularly.