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Calibration Procedures Teledyne API – Technical Manual - Model 300E Family CO Analyzers
210
9.7.1.2. Set O
2
Span Gas Concentration
Set the expected O
2
span gas concentration.
This should be equal to the percent concentration of the O
2
span gas of the selected reporting range (default
factory setting = 20.8%; the approximate O
2
content of ambient air).
04288D DCN5752