Teledyne T803 - page 166

Calibration Procedures Teledyne API T803 CO2/O2 Analyzer Operation Manual
164
9.2.3.1. SETTING THE EXPECTED SPAN GAS CONCENTRATION
NOTE
When setting expected concentration values, consider impurities in your span gas.
The expected CO2 span gas concentration should be 80% of the reporting range
of the instrument (see Section 5.4.1)
The default factory setting is 16% for CO2 or 20.95 % for O2. To set the span
gas concentration, press:
Note For this Initial Calibration it is important to independently verify the PRECISE
Concentration Value of the SPAN gas. If the source of the Span Gas is from a
calibrated bottle, use the exact concentration value printed on the bottle.
07276B DCN6418