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INSTALLATION
2
Take the necessary antistatic precautions if you:
• handle,
• install or
• use
the device in potentially explosive atmospheres. Do not install in a location (near ventilation
systems, for example) where the electrostatic charge can increase.
WARNING!
FEP-coated single cable probes and plastic protective sheathes cannot be used with Gas group
IIC.
2.2 Operating conditions
The allowable ambient temperature and corresponding flange temperature range for the device
depends on the ATEX equipment category, IEC equipment protection level (EPL) and
temperature classes marked on the nameplate.
2.2.1 Ambient and flange temperature
The ATEX equipment category, IEC equipment protection level and temperature class give the
ambient temperature and related flange temperature ranges for the device.
WARNING!
The gasket temperature must be in the approved limits. The minimum gasket
temperature is:
EPDM: -50
•
•
FKM/FPM: -40
Kalrez
•
For more data, refer to "Pressure and temperature ranges" in the Installation chapter of the
handbook.
INFORMATION!
Remote housing (with or without an Ex-approved electronics option)
Remote housing (with or without an Ex-approved electronics option)
Remote housing (with or without an Ex-approved electronics option)
Remote housing (with or without an Ex-approved electronics option)
The maximum ambient temperature, T
T
= +60
•
a
T
= +70
•
a
T
= +80
•
a
INFORMATION!
If the device is equipped with the Metaglas
Ø24/32 mm adaptor for the OPTIFLEX 1300 C, use the values that follow.
10
°
C / -58
°
F
°
C / -40
°
F
®
6375: -20
C / -4
F
°
°
°
C for class T6
°
C for class T5
°
C for class T4
, permitted depends on the temperature class:
a
®
option, BM 102 adaptor, BM 100 A adaptor and
www.krohne.com
06/2012 - 4000861601 - AD ATEX OPTIFLEX 2200 R01 en
OPTIFLEX 2200
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