User guide

2 INSTALLATION
10
OPTIFLEX 4300 C
www.krohne.com 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en
Equipment category II 2 G: all other probe types
Equipment category II 1 D (Ex ia devices only), II 1/2 D, and II 2 D
Temperature
class
Ambient temperature Flange temperature
[°C] [°F] [°C] [°F]
T6 -40…+60 -40…+140 -50…+60 1 -58…+140 2
-40…+55 -40…+131 -50…+85 1 -58…+185 2
T5 -40…+75 -40…+167 -50…+75 1 -58…+167 2
-40…+70 -40…+158 -50…+100 1 -58…+203 2
T4 -40…+85 -40…+185 -50…+85 1 -58…+185 2
-40…+80 -40…+176 -50…+110 1 -58…+230 2
-40…+75 -40…+167 -50…+135 1 -58…+275 2
T3 -40…+70 -40…+158 -50…+150 1 -58…+302 2
-40…+65 3 -40…+149 4 -50…+180 1 -58…+356 2
-40…+60 3 -40…+140 4 -50…+200 1 -58…+392 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.
3 if the device has an adaptor for BM 100 probes, the flange temperature must be less than 150°C
4 if the device has an adaptor for BM 100 probes, the flange temperature must be less than 300°F
Ambient temperature Flange temperature
Ø2 mm/Ø0.08¨ single
cable probe (HT version)
Ø2 mm/Ø0.08¨ single
cable probe (other
versions)
Other probes
[°C] [°F] [°C] [°F] [°C] [°F] [°C] [°F]
-40…+85 -40…+185 -50…+300
1
-58…+572
2
-50…+150
1
-58…+302
2
-50…+200
1
-58…+392
2
1 min. -50°C, if an EPDM gasket is used. Min. -20°C, if a Kalrez® 6375 gasket is used. Min. -40°C, if a Viton® GLT gasket is used.
Min. -30°C, if a Metaglas® feedthrough is used. Min. -50°C, if a PEI feedthrough is used.
2 min. -58°F, if an EPDM gasket is used. Min. -4°F, if a Kalrez® 6375 gasket is used. Min. -40°F, if a Viton® GLT gasket is used.
Min. -22°F, if a Metaglas® feedthrough is used. Min. -58°F, if a PEI feedthrough is used.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 10 Thursday, May 28, 2009 6:00 PM