User guide

INSTALLATION 2
9
OPTIFLEX 4300 C
www.krohne.com02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en
Equipment category II 1 G (Ex ia devices only)
Equipment category II 1/2 G
Equipment category II 2 G: Ø2 mm/Ø0.08¨ single cable probe (HT, HP and HT/HP versions)
Temperature class Ambient temperature Flange temperature
[°C] [°F] [°C] [°F]
T6 -20…+60 -4…+140 -20…+60°C -4…+140
Temperature class Ambient temperature Flange temperature
[°C] [°F] [°C] [°F]
T6 -40…+60 -40…+140 -20…+60°C -4…+140
T5 -40…+75 -40…+167 -20…+60°C -4…+140
T4 -40…+85 -40…+185 -20…+60°C -4…+140
Temperature
class
Ambient temperature Flange temperature
Ø2 mm/Ø0.08¨ single cable
probe (HT version)
Ø2 mm/Ø0.08¨ single cable
probe (other versions)
[°C] [°F]
[°C] [°F] [°C] [°F]
T6 -40…+60 -40…+140 -40…+60 -40…+140 -50…+60 1 -58…+140 2
-40…+56 -40…+133 -40…+52 -40…+126 -50…+85 1 -58…+185 2
T5 -40…+75 -40…+167 -40…+75 -40…+167 -50…+75 1 -58…+167 2
-40…+71 -40…+160 -40…+67 -40…+153 -50…+100 1 -58…+212 2
T4 -40…+85 -40…+185 -40…+85 -40…+185 -50…+85 1 -58…+185 2
-40…+80 -40…+176 -40…+77 -40…+170 -50…+110 1 -58…+230 2
-40…+77 -40…+170 -40…+70 -40…+158 -50…+135 1 -58…+275 2
T3 -40…+75 -40…+165 -40…+65 -40…+149 -50…+150 1 -58…+302 2
-40…+71 -40…+160 - - -50…+180 1 -58…+356 2
-40…+69 -40…+157 - - -50…+200 1 -58…+392 2
T2 -40…+62 -40…+144 - - -50…+250 1 -58…+482 2
-40…+55 -40…+131 - - -50...+300 1 -58…+572 2
1 -50°C, if an EPDM gasket is used. -40°C, if a Viton® GLT gasket is used. -20°C, if a Kalrez® 6375 gasket is used.
2 -58°F, if an EPDM gasket is used. -40°F, if a Viton® GLT gasket is used. -4°F, if a Kalrez® 6375 gasket is used.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 9 Thursday, May 28, 2009 6:00 PM