700 NDIR Analyzer
6-20-2017
59
Calibration Via Pump/Valves
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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).
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. Please
note that the Calibration Setup menu will display the current settings on the right side of
the screen after the ellipsis
(…).
Example:
Cal Pump/Valves . . . Pump.
NOTE:
If the analyzer is equipped with a pump, to prevent damage to the pump do not
pressurize the sample inlet.
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
while the valves are activated will prevent sample from being mixed with calibration gas.
You will return to the Calibration Setup Menu. Please note that the Calibration Setup
menu shows the current settings on the right side of the screen after the ellipsis
(…).
Example:
Cal Pump/Valves . . . Valves.
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