GENERAL SAFETY INFORMATION
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OPTIFLEX 2200 C/F
www.krohne.com
03/2019 - 4005066003 - AD NEPSI OPTIFLEX2200 R03 en
1.4 Equipment protection levels (EPL) and dust zones
1.4.1 Ex ia and Ex iaD-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 when fitted with appropriate options. It is
certified for applications for which an EPL of Ga/Gb or Gb is necessary.
The Ex iaD-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Dust Zones 20/21 when fitted with appropriate options.
1.4.2 Ex d ia and Ex iaD tD-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 when fitted with the appropriate options. It
is certified for applications for which an EPL of Ga/Gb or Gb is necessary.
The Ex iaD tD-approved device is suitable for use in potentially explosive atmospheres of all
flammable substances in Dust Zones 20/21 when fitted with the appropriate options.
