Installation – KROHNE OPTIFLEX 4300C ATEX EN User Manual
Page 10
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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