NDLI: Cellular Phones in Class I, Division 2/Zone 2 Hazardous Locations

Content Provider	IEEE Xplore Digital Library
Author	Bozek, A. Martin, K. Cole, M.
Copyright Year	2006
Description	Author affiliation: EngWorks Inc., Calgary, Alta. (Bozek, A.)
Abstract	The risk associated with using a portable cellular phone in a class I, division 2 or zone 2 hazardous location is evaluated. Experimental trials were performed on a representative sample of commercial grade cellular phones using the guidelines provided in ISA-RP12.12.03-2002 "Recommended Practice for Portable Electronic Products Suitable for Use in Class I and II, Division 2, Class I Zone 2 and Class III, Division 1 and 2 Hazardous (Classified) Locations" (2002). The ignition risks are subsequently classified according to a framework ranking system for ignition sources developed by Rew and Spenser (1997). The results are used to construct a probability model that estimates the risk of a cell phone igniting a flammable atmosphere in a class I, division 2 or class I, zone 2 hazardous location. All cell phones evaluated did not meet the ISA-RP12.12.03-2002 requirements for a PEP 2 (portable electronic product) device and therefore could not be considered "incapable of causing an ignition under normal operating conditions" as per the PEP definition. Additional testing and analysis of the high risk cell phone components indicated a very low probability of ignition even under ideal conditions. A Monte Carlo simulation of the probability model estimated the odds of a cell phone causing a fire or explosion in a class I, division 2 or class I zone 2 hazardous location as being 1.16E-06; or one in a million
Starting Page	1
Ending Page	13
File Size	13627758
Page Count	13
File Format	PDF
ISBN	1424405580
ISSN	00903507
DOI	10.1109/PCICON.2006.359688
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cellular phones Ignition Guidelines Atmospheric modeling Flammability Atmosphere Testing Risk analysis Fires Explosions Ignition probability model Cellular mobile cell phones Hazardous locations
Content Type	Text
Resource Type	Article
Subject	Fuel Technology Energy Engineering and Power Technology

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