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Emerson Process Management GmbH & Co. OHG1-12
X-STREAM XEFD
Instruction Manual
HASXEDE-IM-EX
03/2012
1.7 Technical Data
Increased sample and calibration gas pressure
Increased gas pressure
Above 1100 hPa to max. 1500 hPa (take
care
of the measurement principles limits!)
Maximum ow 1.5 l/min.
Special conditions
The gas paths need additionally to be protected by suitable inline
ame arrestors, designed and approved for the applied higher gas
pressure. These inline ame arrestors need to be installed outside
the analyzer and in addition to the ame arrestors provided by the
analyzer. A seperate analyzer ame arrestor has to be installed,
operating as a breathing device.
Connection of breathing
device
The external output of the breathing device (exhaust) can be open
to the ambience of the analyzer, if the measured gas concentration
is below 25 % V-V LEL. Otherwise it must end in safe area.
Consider the special conditions for safe use (
1-5 )
Purging the housing to reduce cross-interference
Maximum gas ow 2 l/min
Permitted purge medium
Inert gas or air. Dry, clean, free of corrosives or components contai-
ningsolvents, and free of components to be measured. Its tempera-
ture must correspond to the ambient temperature of the analyzer,
but be at least within the range 20-35 °C (68-95 °F)
Special conditions
The medium must be supplied via a separate ame arrestor. Another
ame arrestor must be installed, operating as a breathing device.
Connection of breathing
device
The external output of the breathing device (exhaust) can be open to
the ambience of the analyzer, if inert gas is used as purge medium.
If air is used, the output must end in a safe area, if the measured
gas concentration is above 25% V-V LEL.
Consider the special conditions for safe use (
1-5 )
Tab. 1-4: Increased Pressure Data
Tab. 1-5: Purging Gas Data