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Thermal Conductivity Analyzer
The analyzer is not flow sensitive during measurement; i.e., the OUT-
PUT does not vary with the flow, but for maximum accuracy and repeat-
ability, measurements should be made at the same flowrate used when
calibrating the analyzer.
TBE recommends, for lighter-than-air gas backgrounds, setting the
flowmeter to a lower reading for reference and measurement; this will
conserve gas. For example, for hydrogen or helium, set the flowmeter
reading to 0.1 SCFH. A higher reading is recommended for heavier-than-
air gas backgrounds, e.g., for carbon dioxide or argon, set the flowmeter
to 0.4 SCFH.
Teledyne Analytical Instruments
Installation 2
2-5
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