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INSTALLATION
2
Connection and operation of the purging connection are the responsibility of the user. The
operator is also responsible for selection of a suitable fluid to purge the device.
• If the screw is removed, make sure that the installation agrees with the Ex requirements for
the purging system.
2.2 Operating conditions
The allowable ambient temperature and corresponding flange temperature range for the device
depends on the Ex equipment category and temperature classes marked on the nameplate.
2.2.1 Ambient and flange temperature
The equipment protection level (EPL) 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. For more data, refer to "Pressure and
temperature ranges" in the Installation chapter of the handbook.
EPL Ga: Ex ia devices only - with the 4...20 mA output option
Temperature
class
T6
EPL Ga/Gb: Ex ia and Ex d[ia] devices - with the 4...20 mA output option
Temperature
class
T6
T5
T4
9
Ambient temperature
[°C]
-20...+57
Ambient temperature
[°C]
-40...+57
-40...+72
-40...+80
www.drexelbrook.com
[°F]
-4...+122
[°F]
-40...+134
-40...+161
-40...+176
DR6300 SERIES
Flange temperature
[°C]
-20...+60
Flange temperature
[°C]
-20...+60
-20...+60
-20...+60
DR6300-LM IECEx, EDO 2-13-118, Issue 1
[°F]
-4...+140
[°F]
-4...+140
-4...+140
-4...+140
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