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Calibration Procedures Teledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 222
9.7.2. CO
2
SENSOR CALIBRATION PROCEDURE
Presented here are first the setup and then the calibration steps for the CO
2
Sensor.
9.7.2.1. CO2 PNEUMATICS CONNECTIONS
The pneumatic connections for calibrating are as follows
Figure 9-8: CO
2
Sensor Calibration Set Up
CO
2
SENSOR ZERO GAS: TAI recommends using pure N
2
when calibration the zero
point of your CO
2
sensor option.
CO
2
SENSOR SPAN GAS: TAI recommends using 16% CO
2
in N
2
when calibration
the span point of your CO
2
sensor option (Table 3-12) is 20%.
9.7.2.2. SET CO2 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%).