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Instruction Manual
748467-A
January 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Installation 2-1
Model MicroCEM
SECTION 2
INSTALLATION
WARNING
ELECTRICAL SHOCK HAZARD
POSSIBLE EXPLOSION HAZARD
Do not open while energized. Do not op-
erate without doors and covers secure.
Installation requires access to live parts
which can cause death or serious injury.
DANGER.
ELECTRICAL SHOCK HAZARD
Installation and servicing of this device re-
quires access to components that may
present electrical shock and/or mechanical
hazards. Refer installation and servicing to
qualified service personnel.
CAUTION.
CODE COMPLIANCE
Installation of this device must be made in
accordance with all applicable national
and/or local codes. See specific refer-
ences on the installation drawing located
in the rear of this manual.
CAUTION.
PRESSURIZED GAS
This unit requires periodic calibration with
a known standard gas. It also may utilizes
a pressurized carrier gas, such as helium,
hydrogen, or nitrogen. See General Pre-
cautions for Handling and Storing High
Pressure Gas Cylinders, page P-5.
2-1 OVERVIEW
a. Limitations
Ambient Temperature:-30° to 50° Celsius
(-4° to 122° F)
Relative Humidity:5% to 99%
b. Mounting Options
Although the MicroCEM is enclosed in an
environmentally sealed enclosure, it
should be protected from direct sunlight.
In areas subjected to harsh winter cli-
mates, protection should be provided from
sun, rain and snow. A corrugated awning
or other suitable means can be provided
to meet these conditions.
2-2 LOCATION
The MicroCEM is designed to be installed in
an outdoor environmental location. It is rec-
ommended that the analyzer be located out of
direct sunlight and direct rain/snow to the ex-
tent possible.
The MicroCEM analysis enclosure should be
installed as near as possible to the
probe/sample handling enclosure, in order to
avoid low response time caused by long sam-
ple gas lines.