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Calibration Procedures Teledyne API - Model T200H/T200M Operation Manual
198
STEP THREE:
Perform Zero/Span Calibration:
Press ENTR to changes
the OFFSET & SLOPE
values for both the NO
and NO
x
measurements.
Press EXIT to leave the
calibration unchanged and
return to the previous
menu.
SAMPLE GAS TO CAL:NOX
NOX O2 ENTREXIT
ZERO CAL M NOX STB= XXX.X PPM NOX=XXX.X
<TST TST> ZERO CONC EXIT
SAMPLE RANGE TO CAL:LOW
LOW HIGH ENTREXIT
EXIT at this point
returns to the
SAMPLE menu.
Press ENTR to changes
the OFFSET & SLOPE
values for both the NO
and NO
x
measurements.
Press EXIT to leave the
calibration unchanged and
return to the previous
menu.
Set the Display to show
the NOX STB test
function.
This function calculates
the stability of the NO/NO
x
measurement
Toggle TST> button until ...
Allow zero gas to enter the sample port
at the rear of the analyzer.
Wait until NOX STB
falls below 0.5 ppm.
This may take several
minutes.
ZERO CAL M NOX STB= XXX.X PPM NOX=XXX.X
<TST TST> ENTR CONC EXIT
SAMPLE GAS TO CAL:NOX
NOX O2 ENTREXIT
SPAN CAL M NOX STB= XXX.X PPM NOX=X.XXX
<TST TST> ZERO SPANCONC EXIT
SAMPLE RANGE TO CAL:LOW
LOW HIGH ENTREXIT
Allow span gas to enter the sample port
at the rear of the analyzer.
Wait until NOX STB
falls below 0.5 ppm.
This may take several
minutes.
SPAN CAL M NOX STB= XXX.X PPM NOX=X.XXX
<TST TST> ENTR CONC EXIT
SPAN CAL M NOX STB= XXX.X PPM NOX=X.XXX
<TST TST> ENTR CONC EXIT
Analyzers enters SPAN cal
mode and the SPAN key
appears.
You may see both
keysduring the transition
from ZERO to SPAN modes.
If either the ZERO or SPAN
buttons fail to appear see
Section 11 for
troubleshooting tips.
Analyzer continues to
cycle through NO
x
,
NO, and NO
2
measurements
throughout this
procedure.
SAMPLE A1:NXCNC1=100PPM NOX=XXX.X
< TST TST > CAL CALZ CALS SETUP
SAMPLE NOX STB= XXX.X PPM NOX=XXX.X
< TST TST > CAL CALZ CALS SETUP
SAMPLE NOX STB= XXX.X PPM NOX=XXX.X
< TST TST > CAL CALZ CALS SETUP
Analyzers enters
ZERO cal
mode.
SAMPLE NOX STB= XXX.X PPM NOX=XXX.X
< TST TST > CAL CALZ CALS SETUP
07270B DCN6512