1
GENERAL SAFETY INFORMATION
8
OPTIFLEX X200
www.krohne.com
09/2018 - 4006564001 - AD IECEX OPTIFLEX x200 R01 en
EPL Da/Db equipment is used in zone 20, but it is installed in the boundary wall between zone 20
and zone 21 (the probe is in zone 20 and the signal converter is in zone 21). EPL Db equipment is
used in zone 21.
1.4.3 Ex ic devices
The Ex ic-approved device has the markings that follow for Gas Groups:
OPTIFLEX 8200 with a ceramic process seal system and a Kalrez
®
gasket
•
Ex ic IIC T6...T1 Gc
OPTIFLEX 8200 with a PTFE process seal system and a Ø2 mm HT or Ø2 mm HT/HP
probe
OPTIFLEX 7200 with a ceramic process seal system and a Kalrez
®
gasket
•
Ex ic IIC T6...T2 Gc
OPTIFLEX 3200/6200/7200/8200
All other versions
•
Ex ic IIC T6...T3 Gc
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 designed for applications requiring
EPL Gc equipment, when fitted with the appropriate options. It agrees with temperature classes
T6 thru T1 (Gas Groups) if the temperature limits are obeyed. For more data, refer to
General
notes
on page 12.
EPL Gc equipment is used in zone 2.
The Ex ic-approved device has the markings that follow for Dust Groups:
OPTIFLEX 8200 with a ceramic process seal system and a Kalrez
®
gasket
•
Ex ic IIIC T85
°
C...T315
°
C Dc
OPTIFLEX 8200 with a PTFE process seal system, a FPM/FKM or Kalrez
®
gasket, and a
Ø2 mm HT or Ø2 mm HT/HP probe
•
Ex ic IIIC T85
°
C...T300
°
C Dc
OPTIFLEX 7200 with a ceramic process seal system and a Kalrez
®
gasket
OPTIFLEX 8200 with a PTFE process seal system, an EPDM gasket, and a Ø2 mm HT or
Ø2 mm HT/HP probe
•
Ex ic IIIC T85
°
C...T250
°
C Dc
INFORMATION!
Remote (F) or Remote with Sensor Extension (D) version
Remote (F) or Remote with Sensor Extension (D) version
Remote (F) or Remote with Sensor Extension (D) version
Remote (F) or Remote with Sensor Extension (D) version
Use the markings shown at the top of this page for the sensor (probe housing). The converter has
the marking that follows:
•
Ex ic [ic] IIC T6...T4 Gc