KROHNE OPTIFLEX 200 Series, Instructions Manual

Page: 9 / 60

GENERAL SAFETY INFORMATION
1
9
OPTIFLEX X200
www.krohne.com 09/2018 - 4006564001 - AD IECEX OPTIFLEX x200 R01 en
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 ic IIIC T85 ° C...T200 ° C Dc
OPTIFLEX 3200/6200/7200/8200
All other versions
• Ex ic IIIC T85 ° C...T150 ° C Dc
The Ex ic-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 Dc equipment, when fitted with the appropriate options.
EPL Dc equipment is used in zone 22.
1.4.4 Ex ic nA devices
The Ex ic nA-approved device has the markings that follow for Gas Groups:
OPTIFLEX 8200 with a ceramic process seal system and a Kalrez ® gasket
• Ex ic nA IIC T6...T1 Gc
OPTIFLEX 8200 with a PTFE process seal system and a 2 mm HT or 2 mm HT/HP probe
OPTIFLEX 7200 with a ceramic process seal system and a Kalrez
® gasket
• Ex ic nA IIC T6...T2 Gc
OPTIFLEX 3200/6200/7200/8200
All other versions
• Ex ic nA IIC T6...T3 Gc
The Ex ic nA-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.
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] IIIC T85 ° C...T135 ° 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 nA [ic] IIC T6...T4 Gc