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Teledyne API – Model T400 Photometric Ozone Analyzer Getting Started
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3.4.5.2. Verify the Expected O
3
Span Gas Concentration:
Note For this initial calibration, it is important to verify the PRECISE O
3
Concentration Value of the SPAN gas independently.
The O
3
span concentration value automatically defaults to 400.0 PPB and it is
recommended that an O
3
calibration gas of that concentration be used for the initial
calibration of the unit. To verify that the analyzer span setting is set for 400 PPB, press
06870C DCN6332