There are two widely accepted intrinsic safety standards for rugged computers used in hazardous environments worldwide: C1D2 (and its newer C1Z2 counterpart) and ATEX.
CID2/C1Z2 is an ANSI/ISA North American certification for Hazardous Locations. This standard identifies three types of hazardous locations categorized by Class I (gases, vapors, and liquids), Class II (dusts), and Class III (fibres and flyings). It also identifies two divisions that indicate the level of explosive elements anticipated in each work location: Division 1 (or Zone 1) means that an explosive environment may be present during normal operating conditions. Division 2 (or Zone 2) means that explosive environment may be present only during a fault condition and for a limited time.
The ATEX Certification is based on the requirements of two European Directives – Directive 99/92/EC (also known as ATEX Workplace Directive) and Directive 94/9/EC (the ATEX Equipment Directive).
Both C1D2 and ATEX standards are commonly recognized in most regions of the world, and both offer comparable levels of rugged mobile work protection in Hazardous Locations.
Environments that may require this certification include:
Some rugged Tablet PCs include an ATEX certification that allows them to be used in certain hazardous environments. There are various certification levels under the ATEX regulations, so you will need to carefully check to see if the following devices meet your requirements.
ATEX certified devices must carry a sticker that indicates the certification for the device. The following devices are ATEX certified. Check the device description to see what certification level applies.
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