User guide

INSTALLATION 2
11
OPTIFLEX 4300 C
www.krohne.com02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en
2.2.2 Maximum surface temperature of the housing
Equipment category II 1 D, II 1/2 D, and II 2 D
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 +62 +143
+75 +167 +75 +167 +75 +167 +75 +167 +77 +170
+85 +185 +85 +185 +85 +185 +85 +185 ≤+87 ≤+188
+75 +167 +65 +149 +70 +158 +150 +302 ≤+85 ≤+185
+69 +157 - - +60 +140 +200 +392
+55 +131 - - - - +300 +572
Equipment category Allowable process pressure
[kPa] [psi]
1 G or 1/2 G 80…110 1 11.6…16 1
Others As per non-Ex device As per non-Ex device
1 atmospheric pressure
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 11 Thursday, May 28, 2009 6:00 PM