Serial Port Communications
Operator’s Manual 3
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• Dry Temp (C): Measured temperature (0.0 for non-differential
units) of the gas sample from the last scrubber cycle in degrees
Celsius.
• Ethane: Sets the mole fraction of ethane in the dry gas mixture used
when calculating the dew point temperature per ISO 18453:2006.
The default value (0.08360) corresponds to the natural gas mixture
NG3.
• FitResidue: Value ranging from 0 to 1 indicating how well the
measured spectrum fits the referenced spectrum, where 1 represents
a perfect match.
• Fitting Ratio: Ratio of the measured spectrum versus the Reference
1 or Validation spectrum.
• Fitting Ratio 2: Ratio of the measured spectrum versus the
Reference 2 spectrum, where a value of 0 indicates that the
Reference 2 spectrum was not used in the calculation of
concentration.
• Fitting Ratio 3: Ratio of the measured spectrum versus the
Reference 3 spectrum, where a value of 0 indicates that the
Reference 3 spectrum was not used in the calculation of
concentration.
• Fitting Ratio 4: Ratio of the measured spectrum versus the
Reference 4 spectrum, where a value of 0 indicates that the
Reference 4 spectrum was not used in the calculation of
concentration.
• Fitting Ratio 5: Ratio of the measured spectrum versus the
Reference 5 spectrum, where a value of 0 indicates that the
Reference 5 spectrum was not used in the calculation of
concentration.
• Fitting Ratio Dry: Ratio of the measured spectrum versus the
Reference Dry spectrum, where a value of 0 indicates that the
Reference Dry spectrum was not used in the calculation of
concentration.
• Fitting Ratio Dry-1: Ratio of the measured spectrum versus the
Reference Dry spectrum shifted by 1 index value, where a value of 0
indicates that the Reference Dry spectrum shifted by 1 index value
was not used in the calculation of concentration.
• General Alarm DO: Sets the operation of the general alarm relay
digital output when a general fault alarm occurs and allows it to be
reset if needed.
• grn ConvFactor 07: Sets a custom conversion factor when the
parameter Concentration Unit = 7 (grains/100 scf) and this value is
greater than 0.0. The default value conversion factor is used when it
is equal to 0.0.
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