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Emerson Process Management GmbH & Co. OHG 1-1
X-STREAM X2
Instruction Manual
HASX2E-IM-HS
02/2012
Chapter 1
Technical description
The following are the main features of the new
Emerson Process Management X-STREAM
gas analyzers in brief:
• compact design with easily accessible
internal components
• customizable for a wide range of ap-
plications: different housings are avail-
able while internal construction remains
largely identical
• multilingual microprocessor-controlled
user interface with liquid crystal (LCD)
or vacuum ourescent display (VFD) to
indicate measurement value and status
messages
• units for outdoor use are optionally sup-
plied with an impact tested front panel
• widerange power supply unit for worldwi-
de use without modication (
1
⁄2 19in units
with internal or external PSUs)
X-STREAM X2 gas analyzers can measure
up to four different gas components by mul-
tiple combinations of the following analyzing
techniques (restrictions apply to ½19in units):
IR = non-dispersive infrared analysis
UV = ultraviolet analysis
pO
2
=
paramagnetic oxygen analysis
eO
2
=
electrochemical oxygen analysis
tO2 = electrochemical trace oxygen analysis
TC = thermal conductivity analysis
tH
2
O = trace moisture measurement
Modied resistant measuring cells are avai-
lable for use with corrosive gases and/or
gases containing solvents.
Special congurations (e.g. intrinsically safe
or infallible measuring cells) for the analysis
of combustible gases are also available.
Chapter 3 contains a detailed descrip-
tion of the various measuring techniques.
Standard applications
The use of different housings allow X-
STREAM analyzers to be tailored to the many
different applications:
• Tabletop units in ½19in modular design,
with IP 20 protection class
• Tabletop and rackmountable units in 19
in modular design, with IP 20 protection
class
• Stainless steel wallmountable field
housing with IP 66 / NEMA 4X protection
class for outdoor use (operating tempe-
rature -20°C to +50°C).
• Cast aluminium wallmountable field
housing with IP 66 / NEMA 4X protection
class for outdoor use (operating tempe-
rature -20°C to +50°C).
The various analyzer types are described in
more detail in section 1.4, page 1-12ff.
Installation in hazardous areas
X-STREAM analyzers in eld housings, when
tted with various protective devices, can
also be installed and operated in hazardous
environments. Available options are:
• Non-incendive assembly (Ex nA nC) for
installation in Zone 2 and Division 2 for the
measurement of non-ammable gases.
• Pressurized enclosure conforming to
ATEX directive 94/9/EC, for installation
in zone 2.
1
Technical Description