Class Iv Laser Warning Sign
The more powerful the laser the greater the chance of injury.
Class iv laser warning sign. There is no upper limit for class 4 this is the most hazardous laser classification. Class 4 warning sign. A class 3b laser can cause eye injury. At this website we primarily use the arabic numerals for convenience.
All signs are available in your choice of pvc plastic magnetic or paper peel stick. These signs meet the ansi z136 1 for safe use of lasers requirements for signage. So what are the class 4 laser safety requirements. A class 3b laser can be a distraction glare or flashblindness hazard for pilots and drivers.
These signs are available in various sizes and materials including magnetic sheets plastic laminated paper and illuminated signs. Laser warning signs we provide laser warning signs for use in all laser environments. Class iiia beam irradiance 2 5 mw cm 2 class iiib and class iv lasers. Require the ansi danger sign format.
In a nutshell class 4 laser safety requirements are as follow. Special sign holders and custom wording on laser signs. The lia laser institute of america being the publisher of those standards. Class 4 laser controlled area danger signs and labels are compliant with ansi 136 1 laser safety standards.
By definition a class 4 laser can burn the skin or cause devastating and permanent eye damage as a result of direct diffuse or indirect beam viewing. These lasers may ignite combustible materials and thus may represent a fire risk. Class 4 is the highest and most dangerous class of laser including all lasers that exceed the class 3b ael. Use of laser protective eyewear is suggested or recommended depending on the laser s power level as discussed elsewhere on this page.
This 10x14 plastic sign is used for all entryways into a class 4 laser controlled area operating laser systems that exceed the applicable maximum permissible exposure mpe limit for irradiance. Us made signs and labels. For visible light lasers class 4 lasers have an output power 500 milliwatts and above. Class iv laser found in.
The fda recognizes four major hazard classes i to iv of lasers including three subclasses iia iiia and iiib. Ansi caution class iv laser visible and invisible sign ace 4246 laser portrait osha laser radiation class sign with symbol. The higher the class the more powerful the laser is and the greater the. Class 4 is currently the most dangerous class with lasers in this category being able to cause severe injuries for the skin and eyes.
Signs are available in blank formats standard preprinted signs and special print signs for all classes of lasers.