Serinus 51 User manual 1.0
Operation
25
Manual Background
Will display when the instrument is performing a background (running),
when this is not the case press the start button to perform a manual
background.
Pressure calibration
This field allows the user to calibrate the pressure sensors as explained in
section 4.5
Cal. type
Select the “Calibration type” field and select either Timed or Manual.
Timed calibration is an automatic calibration controlled by the
• Interval between cycles,
• Length of each calibration cycle,
• When the calibrations will begin from
• Whether the calibration will perform automatic compensation.
Manual calibration will perform a manual calibration depending on the
calibration mode selected below.
Note: Timed calibration with span comp
enable does not fulfill U.S. EPA approval
Cal. Port
Select whether the instrument will sample from the external span/zero
source (Calibration port) or from the internal span/zero source (IZS)
Span Compensation
When “enabled” the instrument will adjust the gain from the span
concentration, when set to “disabled” instrument gain won’t be updated.
Cal. Pressure
This field displays the measured pressure during the last calibration (for
SO
2
reference)
reference)
Cal Temperature
Temperature at which the instrument performed its last span calibration
H2S efficiency
The efficiency that the converter converts H
2
S into SO
plus losses in the
selective SO2 scrubber.
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MANUAL MODE
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Cal. mode
When in Manual mode the instruments operational mode can be chosen
from the following:
• Measure: is the normal measurement through the sample port
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