Class Iv Laser Warning Sign

Class 4 warning sign.

Class iv laser warning sign.

The fda recognizes four major hazard classes i to iv of lasers including three subclasses iia iiia and iiib. These signs are available in various sizes and materials including magnetic sheets plastic laminated paper and illuminated signs. Use of laser protective eyewear is suggested or recommended depending on the laser s power level as discussed elsewhere on this page. Class iiia beam irradiance 2 5 mw cm 2 class iiib and class iv lasers.

The lia laser institute of america being the publisher of those standards. These signs meet the ansi z136 1 for safe use of lasers requirements for signage. Class iv laser found in. Class 4 is the same as the roman numeral class iv you may see on some lasers labels.

For visible light lasers class 4 lasers have an output power 500 milliwatts and above. A class 3b laser can cause eye injury. In a nutshell class 4 laser safety requirements are as follow. Require the ansi danger sign format.

So what are the class 4 laser safety requirements. Class 4 is currently the most dangerous class with lasers in this category being able to cause severe injuries for the skin and eyes. White back ground red laser symbol with black outline and black lettering see appendix iii 6 4. All signs are available in your choice of pvc plastic magnetic or paper peel stick.

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. There is no upper limit for class 4 this is the most hazardous laser classification. Ansi caution class iv laser visible and invisible sign ace 4246 laser portrait osha laser radiation class sign with symbol. Signs are available in blank formats standard preprinted signs and special print signs for all classes of lasers.

The higher the class the more powerful the laser is and the greater the. 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. A class 3b laser can be a distraction glare or flashblindness hazard for pilots and drivers. Note that under ansi z 136 1 criteria area posting is required only for class iiib and class iv lasers.

Class 4 is the highest and most dangerous class of laser including all lasers that exceed the class 3b ael. Laser warning signs we provide laser warning signs for use in all laser environments. The more powerful the laser the greater the chance of injury. Special sign holders and custom wording on laser signs.

Us made signs and labels.