KROHNE OPTIWAVE 6300 IECEx - Manual (Page 11)

INSTALLATION
2
11
OPTIWAVE 6300 C
www.krohne.com 10/2010 - 4001046701 - AD IECEX OPTIWAVE6300 R01 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
Drop and horn antennas Drop and horn antennas
with the distance piece
[°C] [°F] [°C] [°F] [°C] [°F] [°C] [°F]
+60 +140 +60 +140 +60 +140 +62 +143
+75 +167 +75 +167 +75 +167 +77 +170
+85 +185 +85 +185 +85 +185 +87 +188
+59 +138 +62 +143 +150 1 +302 1
≤+90 ≤+194
- - +57 +134 +200 2 +302 2
≤+90 ≤+194
1 Max. flange temperature is +100°C / +212°F, if the PP Drop antenna is used. Max. flange temperature is +150°C / +302°F, if the PTFE
Drop antenna is used.
2 Do not use the PP Drop antenna. Max. flange temperature is +150°C / +302°F, if the PTFE Drop antenna is used.
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