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The PACER Cycle (cont.)
Glossary
Depression Capability
PACER
Parameter
Process Pressure
Scaling
Theory of Operation and Glossary
This excess water easily dissolves any water-soluble contaminants.
The mirror is then heated. During the heating phase, due to surface
tension, the remaining contaminants aggregate into dry "islands".
Empirically, this yields about 80 to 85% clean surface. The reflected
light signal is then electronically balanced against the reference.
Figure E-3 below illustrates the results.
Before
PACER Cycle
Figure E-3: Results of the PACER Cycle
The temperature difference by which the chilled mirror can be
lowered from the ambient temperature.
GE Sensing patented Programmable Automatic Contaminant Error
Reduction system, which consolidates soluble contaminants to reduce
their effect on system accuracy (see The PACER Cycle on page E-4).
A measured quantity available for display by the unit, such as Dew
Point in °C, Humidity in Grams/Kilograms, or Pressure in Bar.
The gas pressure of the system under test. In some applications,
humidity of this gas may be measured at a lower pressure.
The process of selecting the maximum and minimum output values of
a chosen parameter.
October 2007
After
PACER Cycle
E-5
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