Copyright©2020 Wisely Laser Machinery Limited All Rights Reserved
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Chapter 2 Safety Instruction
第二节 安全须知
2.1 Safety Classification (laser /electricity)
安全分级
2.1.1 Only 4-level safety engineers are allowed to operate and maintain laser machine
仅允许
4
级安全工程师操作和维护激光机
Four-lever laser will produce dangerous and invisible radiation while the laser machine is working, the radiation will be
harmful to worker's eyes and skin. Radiation of Sub-shot and reflection is also harmful to people.
激光机器工作时，会产生安全等级为
4
级的不可见激光辐射，反射或漫射，都会对人的眼睛和皮肤有害。
When the red radiation produces refraction to eyes, it will focus on the retina, eyes will be hurt easily. In a word, you should
always wear protective glasses during the machine operation or maintenance.
当红外辐射入射眼睛时，它将聚焦在视网膜上，很容易伤害到眼睛。简而言之，在操作或维护机器期间，应始终
配戴防护眼镜。
2.1.2 Avoid Red Light Pointer (Class 3B)
避开红光指示器（
3B
类）
The wavelength of aiming beam is 650nm, and its max power is 5mw, we strongly advise the operator to avoid eye or skin
exposure to direct or scattered radiation. After you find the focus length for marking subject, then you can power off the laser
light pointer by pressing the button named “Red Light Pointer” or “Red Dot Pointer” on the machine!
用于定位的红色激光波长为
650nm
，最大功率为
5mW
，我们强烈建议操作员避免眼睛或皮肤暴露于直接或散射的
辐射下。找到焦距后，要想关闭红光指示器，只需通过按压机器上名为“
Red Light Pointer
”或“
Red Dot Pointer
”
的按钮即可。
2.2 Safety precautions
安全须知
2.2.1 Don’t work alone
切勿单人操作
