8 LI-COR Carbon dioxide detector
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11)
Wait for the CO2 concentration to get stable and press the button Zero.
Wait for a few seconds until the operation is completed.
Remove the sampling bag from the inlet port.
12)
Fill the “
span
” bag with
the calibration mixture. Connect the bag at
the inlet port of the fluxmeter. The CO
2
concentration should rise.
13)
Fill the
Span gas concentration (ppm)
field with the actual CO
2
concentration of your mixture (e.g. if the CO
2
content is 2%, input
20000).
14)
Wait for the CO2 concentration to get stable and press the button Span.
Wait for a few seconds until the operation is completed.
15)
Remove the sampling bag from the inlet port. The analyzer is now
calibrated. Repeat the calibration check.
Tedlar sampling bag
RS232 null modem cable (to laptop)
