How to evaluate hazards in using bar code scanners in chemical manufacturing

Jen Kirley

Jen Kirley

Quality and Auditing Expert
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I was recently asked about hazards of using bar code scanners in chemical manufacturing sites.

Aside from the bar code's laser damage to eyes, there may be a concern about the electronic equipment in volatile areas.

When I am asked not to bring a cell phone or tablet computer into industrial areas, the concern is usually about volatile gases or vapors. Different classifications exist, and their identification can help determine the controls needed.

A paper titled Zone Hazardous Location discusses identification of, and addressing ignition risk where vapors or solids (dust) are present. I am not affiliated with Allen-Bradley.

Testing is also discussed in this list of web sites. I am not qualified to recommend specific testing methods, equipment or suppliers. Safety engineering specialists among your nearby university's faculty may be a better source for such advice.

One example for intrinsically safe devices is discussed here. I am not affiliated with Barcoding, Inc.

I hope this helps!
 
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