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Emerson Process Management GmbH & Co. OHG 1-23
X-STREAM XE
Instruction Manual
HASXEE-IM-HS
04/2010
1.7.1 Field Housings for Installation in Hazardous Areas (Ex-Zones)
Special X-STREAM eld housing analyzer mo-
dels can be used in Ex-zones 1, 2 or Div 2:
X-STREAM XEFN/XDFN:
These analyzer variations feature a protection
concept called "non-incendive", which means
that non-sparking and non-arcing compon-
ents, installed within a protecting enclosure,
enable installation in an European Ex-zone 2
for measuring non-ammable gases. No further
measures, such as a supply of protective gas,
are necessary.
X-STREAM XEFS/XDFS:
Equipped with a simplied pressurization system,
these eld housings can be used to measure
non-ammable gases in European Ex-zone 2.
A protective gas (e.g. pressurized air) must be
supplied when operating this model.
X-STREAM XEFZ/XDFZ:
Equipped with a simplied pressurization sy-
stem, these models can be used to measure
non-ammable gases in American zone Div 2.
A protective gas (e.g. pressurized air) must be
supplied when operating this model.
Please contact your local EMERSON Process
Management ofce if you require analyzers
for use in hazardous areas.
1.7 Field Housings in Hazardous Areas
EXPLOSION HAZARD
X-STREAM XEF and XDF models CAN NOT be used in explosive environments
(hazardous areas) without additional safety features.
This instruction manual does NOT describe the special conditions necessary
to operate gas analyzers in hazardous areas.
Please refer to the separate instruction manual supplied with units for use
in hazardous areas.
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Technical Description