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Teledyne API – Technical Manual - Model 300E Family CO Analyzers Calibration Procedures
213
9.7.2. CO
2
SENSOR CALIBRATION PROCEDURE
9.7.2.1. CO
2
Calibration Setup
The pneumatic connections for calibrating are as follows
Figure 9-8: CO
2
Sensor Calibration Set Up
CO
2
SENSOR ZERO GAS: Teledyne API recommends using pure N
2
when calibration the zero point of your
CO
2
sensor option.
CO
2
SENSOR SPAN GAS: Teledyne API recommends using 16% CO
2
in N
2
when calibration the span point of
your CO
2
sensor option (Table 3-7) is 20%.
9.7.2.2. Set CO
2
Span Gas Concentration:
Set the expected CO
2
span gas concentration.
This should be equal to the percent concentration of the CO
2
span gas of the selected reporting range (default
factory setting = 12%).
04288D DCN5752