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Teledyne API T801 NDIR CO2 Analyzer Operation Manual Calibration Procedures
167
To carry out this adjustment, the current ambient atmospheric pressure must be
known.
Before performing the following pressure calibration, ensure that the pressure
being measured by the analyzer’s internal sensor is equal to ambient atmospheric
pressure by disconnecting:
The sample gas pump and;
The sample gas-line vent from the sample gas inlet on the instrument’s rear
panel.
To cause the analyzer to measure and record a value for PRES, press.
(The ACAL submenu in the Primary Setup Menu is a special configuration; consult factory).
07274B DCN6418