Spanning CO
2
When the command for setting the span for CO
2
is received, along with the target concentration
C
T
, the LI-840A computes S
c0
from equation B-26, where and are averaged for 5 seconds.
B-26
where
B-27
Note that
B-28
The instrument retains the following values which are used for subsequent secondary spans, if
necessary:
Appendix B
Appendix B. Equation SummaryB-10