The application of laser has already started in the last century, and there are many places where laser can be applied. Today we need to explain to you the application of laser ranging.
The characteristics of laser ranging are fast, accurate and simple. How to understand it? The currently known speed of light is the fastest, which can reach 300,000 kilometers per second in a vacuum environment. High precision, the error of the laser is generally within 5 meters, which is much higher than the traditional measuring tools such as our measuring ruler. The simplicity is mainly reflected in the structural design of most of our laser products and machines are very small and convenient, and the operation is also easy to use.
Next, let's take a look at the principle of the ultra-long laser rangefinder.
The rangefinder is mainly composed of control power supply, laser, optical system, amplifying circuit, control logic counting, sampling, display and other parts. The laser wave with a fixed wavelength of 1064μm or 1570μm is emitted by the laser, and then reflected by the target object, we receive the time difference after receiving the original to convert its distance, and finally through the conversion of our machine, the display is displayed on the screen as a digital display .
Of course, it is worth noting here that we currently have two test wavelengths, 1064 μm and 1570 μm.
1064μm is harmful to the human eye. The laser is emitted from a small window in the front of the instrument, and the laser beam enters the human eye, which can burn the retina. When measuring the distance of a strongly reflective object, the reflected strong laser will burn out the photodetector of the rangefinder. When operating the rangefinder, great care must be taken, and it is strictly forbidden to aim the rangefinder at people or glass for distance measurement.
1570μm is relatively high for our machine requirements, and the test distance is relatively long. This kind of laser has basically no damage to the human eye. Generally, ultra-long-distance laser rangefinders choose this band.
distance.
As a laser rangefinder, the distance is definitely what we look at first, this LR20KI can be tested to 20 kilometers.
valid range.
In addition to the farthest and the shortest test distance, sometimes in order to facilitate our measurement, short distances also need to be measured. This machine can go up to 100m.
error.
The accuracy of LR20KI can reach an error of about 2 meters, and the test accuracy of the laser is very high. If the deviation of a few kilometers is not too much, it generally does not have much impact.
wavelength.
This is definitely an aspect we need to pay attention to, the LR20KI uses a 1570μm wavelength. It is protective for the human eye. If it is 1064μm, you need to pay attention.
other.
In other words, it mainly depends on the ease of operation, battery life, and portability. Some basic parameters can be easily understood. The above four most important parameters need to be carefully observed.
