SERVOPRO NOx Analyzers Page
CALIBRATION VIA PUMP/VALVES
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The existing setting (Valves in the example) is shown at the top right of the menu. To
access the Cal via Pump/Valves menu, press from the Calibration Setup menu.
Press (Cal via Pump) to keep the analyzer’s internal sample pump on and keep the
valves closed during calibration. You will return to the Calibration Setup Menu.
The Calibration Setup menu will now display the current setting on the
right side of the screen.
Example:
Cal via Pump/Valves … Pump.
Press (Cal via Valves) to activate the appropriate calibration valve and keep the
internal sample pump turned off during calibration. Keeping the sample pump turned off
NOTE: The use of Cal via Pump/Valves depends upon how calibration gases are being
introduced into the analyzer – via a sample pump or via internal valves (if equipped
with the internal valve option).
NOTE: If the analyzer is equipped with a pump, to prevent damage to the pump do not
pressurize the sample inlet.
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