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Model GFC7000E Instruction Manual Getting Started
04584 Rev A1 29
3. Perform the Zero/Span Calibration Procedure
M-P CAL
STABIL=XXX.X PPM
CO2 =XXX.X
< TST TST > ENTR CONC EXIT
M-P CAL STABIL=XXX.X PPM CO2 =XXX.X
< TST TST > CAL SETUP
M-P CAL
STABIL=XXX.X PPM
CO2 =XXX.X
< TST TST >
ZERO
CONC EXIT
EXIT
returns to the main
SAMPLE display
A
CTION:
Allow zero gas to enter the sample port at the
rear of the instrument.
M-P CAL STABIL=XXX.X PPM CO2 =XXX.X
< TST TST >
SPAN
CONC EXIT
M-P CAL RANGE = 500.000 PPM CO2 =XXX.X
< TST TST >
ENTR
SPAN CONC
EXIT
M-P CAL RANGE = 500.000 PPM CO2 =XXX.X
< TST TST > ENTR CONC EXIT
Wait until STABIL
falls below 1.0 ppm.
This may take several
minutes.
The
SPAN
key now
appears during the
transition from zero to
span.
You may see both keys.
If either the ZERO or
SPAN
buttons fail to
appear see Section 11
for troubleshooting tips.
SAMPLE* RANGE = 500.000 PPM CO2 =XXX.X
< TST
TST
> CAL
SETUP
SAMPLE
STABIL=XXX.X PPM
CO2 =XXX.X
< TST TST > CAL
SETUP
Set the Display to show the
STABIL
test function.
This function calculates the
stability of the CO
x
measurement
Press
ENTR
to changes the
OFFSET & SLOPE values for the
CO
2
measurements.
Press EXIT to leave the calibration
unchanged and return to the
previous menu.
A
CTION:
Allow span gas to enter the sample port at the
rear of the instrument.
The value of
STABIL may jump
significantly.
Wait until it falls back
below
1.0 ppm
This may take several
minutes.
Press
ENTR to
change the
OFFSET & SLOPE values for the
CO
2
measurements.
Press EXIT to leave the calibration
unchanged and return to the
previous menu.
The Model GFC7000E Analyzer is now ready for operation