Installation, 2 maximum surface temperature of the housing, 3 process pressure – KROHNE OPTIFLEX 1300 IECEx User Manual
Page 11

INSTALLATION
2
11
OPTIFLEX 1300 C
www.krohne.com
09/2010 - 4000176402 - AD IECEX OPTIFLEX1300 R02 en
2.2.2 Maximum surface temperature of the housing
Zone 20: Ex iaD devices only
Zone 21/20: Ex iaD and Ex tD[iaD] devices only
2.2.3 Process pressure
Max. ambient temperature
Max. flange
temperature
Max. surface
temperature
Ø2 mm / Ø0.08¨
single cable probe
(HT version)
Ø2 mm / Ø0.08¨
single cable probe
(other versions)
All other probes
[°C]
[°F]
[°C]
[°F]
[°C]
[°F]
[°C]
[°F]
[°C]
[°F]
+60
+140
+60
+140
+60
+140
+60
+140
+67
+152
+75
+167
+75
+167
+75
+167
+75
+167
+82
+179
+85
+185
+85
+185
+85
+185
+85
+185
+92
+197
+75
+167
+65
+149
+70
+158
+150
+302
≤+90
≤+194
+69
+157
-
-
+60
+140
+200
+392
≤+90
≤+194
+55
+131
-
-
-
-
+300
+572
≤+90
≤+194
Equipment protection level
Allowable process pressure
[kPa]
[psi]
EPL Ga or Ga/Gb
80…110
1
11.6…16
1
Others
As per non-Ex device
As per non-Ex device
1 Atmospheric pressure