User's Guide _______________________________________________________________________
66 ___________________________________________________________________ M211659EN-C
When adjusting the transmitter, you can also correct your reference
concentration (for example, the value on the gas cylinder label) according
to the graph below.
1402-025
Figure 25 Effect of Pressure on CO
2
Reading
Notes for T Adjustment
Temperature adjustment is always a simple 1-point offset correction.
Notes for RH Adjustment
1-point humidity adjustment affects both offset and gain, depending on
the adjustment condition. In a dry condition (for example, 11 %RH),
offset is adjusted more than gain.
The 1-point humidity adjustment requires that the target condition is at
least 50% of the currently measured value. This prevents the user from
making excessive corrections that are very unlikely to be needed.
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