2024-12-13
The rapid development of laser technology has led to technological innovation in the field of laser distance sensors. As the name suggests, laser ranging sensors use laser as the main working material. At present, the laser measurement materials on the market mainly include semiconductor lasers with working wavelengths of 905 nm and 1540 nm, and YAG lasers with working wavelengths of 1064 nm.
There is a unified classification and safety warning sign for lasers internationally. Laser is usually divided into four categories (Class 1 to Class 4). Class I lasers are safe for the human body, Class II lasers have less harm to the human body, and Class III and IV lasers have greater harm to the human body. Therefore, special attention should be paid when using them to avoid direct contact with human eyes.
Laser distance sensors use pulse or phase measurement, and laser beams are highly concentrated monochromatic light sources. Therefore, when using laser distance sensors, do not point them at the eyes or observe smooth reflective surfaces to avoid injury. Therefore, users must follow the instructions in the safety operating procedures. When conducting outdoor measurements, do not point directly at the sun to avoid burning the instrument components.
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