2
INSTALLATION
20
OPTIFLEX X200
www.krohne.com
09/2018 - 4006564001 - AD IECEX OPTIFLEX x200 R01 en
SINGLE CERAMIC PROCESS SEAL SYSTEM
Maximum limits for EPL Ga/Gb, EPL Gb, EPL Da/Db and EPL Db
Maximum limits for EPL Gc and EPL Dc
Temperature
class
Maximum surface
temperature
Max.
process
temperature
or process
connection
temperature
Maximum ambient temperature
Aluminium housing
Stainless steel housing
4-20mA /
HART with
or without
optional
output
Fieldbus
(PA/FF)
Modbus RTU
4-20mA /
HART with
or without
optional
output
Fieldbus
(PA/FF)
Modbus RTU
[
°
C]
T6
T85
+60
+54
+50
+54
+50
+85
+52
+48
+52
+47
T5
T100
+75
+69
+65
+69
+65
+100
+67
+63
+67
+62
T4
T135
+110
+80
+80
+135
+77
+76
T3
T200
+150
+75
+74
+180
+71
+69
+200
+68
+65
T2
T250
+250
+60
+57
Temperature
class
Maximum surface
temperature
Max.
process
temperature
or process
connection
temperature
Maximum ambient temperature
Aluminium housing
Stainless steel housing
4-20mA /
HART with
or without
optional
output
Fieldbus
(PA/FF)
Modbus RTU
4-20mA /
HART with
or without
optional
output
Fieldbus
(PA/FF)
Modbus RTU
[
°
C]
T6
T85
+60
+68 (+46)
1
+68
+68 (+46)
1
+68
+85
+66 (+43)
1
+66
+66 (+43)
1
+66
T5
T100
+75
+80 (+61)
1
+80
+80 (+61)
1
+80
+100
+80 (+58)
1
+80
+80 (+58)
1
+80
T4
T135
+110
+80
+80
+135
+77
+76
T3
T200
+150
+75
+74
+180
+71
+69
+200
+68
+65
T2
T250
+250
+60
+57
1
Values in parentheses are for Ex ic nA-approved devices with EPL Gc