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GrainPro
®
Carbon Dioxide Analyzer Instruction Manual
MA4068RAD0718 - 1
concentration values for which instrument is to
be calibrated (Ideally 50) to continue the Span
Calibration.
h)
Connect the CO
2
Analyzer to 50% CO
2
bag/tank using available calibrated instrument
as reference.
i)
Press Enter Key
to start and the “Apply
Span Gas” prompt will appear. CO
2
Analyzer
will take samples of target gas for 120 seconds
(displayed on the screen).
NOTE:
Span Gas Value should be equal to 20% to
80% (ideally 50%) of full range of the CO2 Analyzer,
otherwise “Invalid Span Gas” prompt will appear on
screen and will ask for Span Gas Value.
j)
CO
2
Analyzer will be calibrated, only if counts
value for applied span gas is within valid range
(i.e. from 1000 to 4030 display counts, ideally
3000).
k)
After Span calibration process, “Span Cal
Done” prompt will be displayed otherwise “Span
Cal Fail” prompt will be displayed.
NOTE:
In case of Span Cal Fail, refer to the
TROUBLESHOOTING GUIDE (8) >Span Calibration
(8.2).
l)
CO
2
analyzer will display prompt “Remove
tubes”. Press Enter Key
then proceed to
“Purging Air” (about 1 minute).
m) Upon
successful
Span
Calibration,
last
calibration date of the CO
2
Analyzer will be
updated automatically to the current date.
6.
USING CARBON DIOXIDE ANALYZER FOR MONITORING CO
2
LEVEL (INTENDED FOR
GRAINPRO TRANSAFELINER (TSL) USERS)