ATEX: SUPPLEMENTARY INSTRUCTIONS
7
113
OPTIFLEX 1300 C
www.krohne.com
01/2008 • 4000172301 - HB OPTIFLEX 1300 R02 en
Equipment category II 3 G
(not applicable for Ø2 mm / Ø0.08" single cable probe - pending)
Equipment category II 1 D (EEx ia instruments only), II 1/2 D and II 2 D
Maximum surface temperature of the housing
Equipment category II 1 D, II 1/2 D and II 2 D
Temperature class
Ambient temperature
Flange temperature
°
C
°
F
°
C
°
F
T6
-40
…
+61
-40
…
+142
-40
…
+85
-40
…
+185
T5
-40
…
+76
-40
…
+169
-40
…
+100
-40
…
+212
T4
-40
…
+76
-40
…
+169
-40
…
+110
-40
…
+230
-40
…
+70
-40
…
+158
-40
…
+135
-40
…
+275
T3
-40
…
+66
-40
…
+151
-40
…
+150
-40
…
+302
-40
…
+57
-40
…
+135
-40
…
+180
-40
…
+356
-40
…
+52
-40
…
+126
-40
…
+200
-40
…
+392
Ambient temperature
Flange temperature
[
°
C]
[
°
F]
[
°
C]
[
°
F]
-40
…
+60
-40
…
+140
-40
…
+200
-40
…
+392
Max. ambient temperature
Max. flange temperature
Max. surface
temperature
Ø2 mm/Ø0.08" single
cable probe
All other probes
°
C
°
F
°
C
°
F
°
C
°
F
°
C
°
F
+54
+129
+55
+131
+80
+176
+65
+149
+69
+156
+70
+158
+95
+203
+80
+176
+77
+171
+80
+176
+110
+230
≤
+90
≤
+194
+70
+158
+75
+167
+135
+275
+65
+140
+70
+158
+150
+302
-
-
+60
+140
+200
+392
HB_OPTIFLEX1300_EN_D4_080428.book Page 113 Tuesday, April 29, 2008 2:47 PM