GENERAL SAFETY INFORMATION
1
7
OPTIFLEX X200
www.krohne.com
09/2018 - 4006564001 - AD IECEX OPTIFLEX x200 R01 en
The Ex ia/db-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
EPL Ga/Gb or EPL Gb 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 Ga/Gb equipment is used in zone 0, but it is installed in the boundary wall between zone 0
and zone 1 (the probe is in zone 0 and the signal converter is in zone 1). EPL Gb equipment is
used in zone 1.
The Ex ia/tb-approved device has the markings that follow for Dust Groups:
OPTIFLEX 8200 with a ceramic process seal system and a Kalrez
®
gasket
•
Ex ia/tb IIIC T85
°
C...T315
°
C Da/Db
OPTIFLEX 8200 with a PTFE process seal system, FPM/FKM or Kalrez
®
gasket, and a
Ø2 mm HT or Ø2 mm HT/HP probe
•
Ex ia/tb IIIC T85
°
C...T300
°
C Da/Db
OPTIFLEX 7200 with a ceramic process seal system and a Kalrez
®
gasket
OPTIFLEX 8200 with a PTFE process seal system with an EPDM gasket and a Ø2 mm HT
or Ø2 mm HT/HP probe
•
Ex ia/tb IIIC T85
°
C...T250
°
C Da/Db
OPTIFLEX 7200 with a ceramic process seal system and an FPM/FKM gasket
OPTIFLEX 7200 with a PTFE process seal system (OPTIFLEX 1300 version) and an
FPM/FKM or Kalrez
®
gasket
OPTIFLEX 6200 with an FPM/FKM or Kalrez
®
gasket
•
Ex ia/tb IIIC T85
°
C...T200
°
C Da/Db
OPTIFLEX 3200/6200/7200/8200
All other versions
•
Ex ia/tb IIIC T85
°
C...T150
°
C Da/Db
The Ex ia/tb-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
EPL Da/Db or EPL Db equipment, when fitted with the appropriate options.
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
For the sensor (probe housing) markings, refer to Ex ia-approved devices on page 5
(Gas
Groups). The converter has the marking that follows:
•
Ex db ia [ia Ga] IIC T6...T4 Gb
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
For the sensor (probe housing) markings, refer to Ex ia-approved devices on page 5
(Dust
Groups). The converter has the marking that follows:
•
Ex ia tb [ia Da] IIIC T6...T4 Db