KROHNE OPTIFLEX 2200 ATEX EN - Manual (Page 5)

GENERAL SAFETY INFORMATION
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OPTIFLEX 2200 C/F
www.krohne.com 04/2013 - 4000861602 - AD ATEX OPTIFLEX 2200 R02 en
1.4 Device categories
1.4.1 Ex ia-approved devices
The Ex ia-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Gas Groups IIA, IIB and IIC. It is certified for applications requiring
Category 1/2 G (gases, vapours or mists) and EPL Ga/Gb equipment or 2 G and EPL Gb
equipment when fitted with the appropriate options.
The Ex ia-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Dust Groups IIIA, IIIB and IIIC. It is certified for applications requiring
Category 1/2 D (dust) and EPL Da/Db equipment or 2 D and EPL Db equipment when fitted with
the appropriate options.
1.4.2 Ex d ia / Ex ia tb-approved devices
The Ex d ia-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Gas Groups IIA, IIB and IIC. It is certified for applications requiring
Category 1/2 G (gases, vapours or mists) and EPL Ga/Gb equipment or 2 G and EPL Gb
equipment when fitted with the appropriate options.
The Ex ia tb-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Dust Group IIIA, IIIB and IIIC. It is certified for applications requiring
Category 1/2 D (dust) and EPL Da/Db equipment or 2 D and EPL Db equipment when fitted with
the appropriate options.
1.4.3 Ex ic-approved devices
The Ex ic-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Gas Groups IIA, IIB and IIC. It is certified for applications requiring
Category 3 G (gases, vapours or mists) and EPL Gc equipment when fitted with the appropriate
options.
The Ex ic-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Dust Group IIIA, IIIB and IIIC. It is certified for applications requiring
Category 3 D (dust) and EPL Dc equipment when fitted with the appropriate options.