1-4 | Model 888 ATEX IECEx Tail Gas Analyzer
Lamp & Detector Mounting
The Xenon lamp and detector mounting assemblies are attached to an
alignment plate. The Xenon lamp mount contains a UV-grade fused silica,
plano-convex collimating lens. Repeatable installation and alignment of
the lamp and detector assemblies is achieved by usingone-point keyed
connections. Both assemblies are secured using threaded retainers that
can be tightened by hand.
User Interface/Host Display
The local user interface is composed of an LCD color display and a stain-
less steel piezoelectric keypad. The keypad is suitable for use with a
gloved hand. The user interface allows the user to set the configuration,
test the functionality, and trouble-shoot any problems. The user interface
is powered by the host display board. In addition to enabling the local in-
terface, the host display board also allows for remote connectivity through
Ethernet and Modbus communications.
Sensor Board
The sensor board controls the main operations of the analyzer. These
operations include sample measurement, signal processing, calculations,
monitoring of temperatures and pressures, and providing analog and
relay outputs.
Sample Conditioning (Oven) Enclosure
Demister
Low Pressure
Operator
Cell Isolation/Steam
Blowback
Aspirator
Flange RTD
Zero Flush Heat
Exchanger
Aspirator Heat Exchanger
Sample Cell
Heater
Oven Enclosure
Figure 1-4. Oven Enclosure (interior)
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