O2 Zero/Span Calibration - Teledyne T300 Operation Manual

Calibration Procedures

9.7.1.4. O2 ZERO/SPAN CALIBRATION

Press O2 à ENTR to
initiate zero point
calibration of the
O2 sensor.
Press O2 à ENTR to
initiate span point
calibration of the
O2 sensor.
The SPAN button now
appears during the transition
from zero to span.
You may see both buttons.
If either the ZERO or SPAN
buttons fail to appear see the
chapter on Troubleshooting
for tips.
226
To perform the zero/span calibration procedure:
SAMPLE
< TST TST >
SAMPLE
< TST TST >
Allow zero gas to enter the sample port
SAMPLE
< TST TST >
SAMPLE
CO CO2
M-P CAL
<TST TST>
M-P CAL
<TST TST>
Allow span gas to enter the sample port
at the rear of the analyzer.
SAMPLE
< TST TST >
SAMPLE
CO CO2
M-P CAL
<TST TST> ZERO
M-P CAL
<TST TST> ENTR
M-P CAL
<TST TST> ENTR
Teledyne API – Model T300/T300M CO Analyzer
RANGE=50.0 PPM CO= XX.XX
CAL SETUP
Toggle TST> button until ...
O2 STB=X.XX % CO=XX.XX
CAL SETUP
at the rear of the analyzer.
O2 STB=X.XX % CO=XX.XX
CAL SETUP
GAS TO CAL:O2
O2 ENTR EXIT
O2 STB=X.XX % CO=XX.XX
ZERO CONC EXIT
O2 STB=X.XX % CO=XX.XX
ENTR CONC EXIT
O2 STB=X.XX % CO=XX.XX
CAL SETUP
GAS TO CAL:O2
O2 ENTR EXIT
O2 STB=X.XX % CO=XX.XX
SPAN CONC EXIT
O2 STB=X.XX % CO=XX.XX
CONC EXIT
O2 STB=X.XX % CO=XX.XX
CONC EXIT
Set the Display to show
the O2 STB test function.
This function calculates
the stability of the CO
measurement.
Wait until O2 STB
falls below 0.01%.
This may take several
minutes.
Press ENTR to change
the OFFSET & SLOPE
values for the O
2
measurement.
Press EXIT to leave the
calibration unchanged and
return to the previous
menu.
Wait until O2 STB
falls below 0.01%
This may take several
minutes.
Press ENTR to change
the OFFSET & SLOPE
values for the O
2
measurement.
Press EXIT to leave the
calibration unchanged and
return to the previous
menu.
EXIT at this point
returns to the
SAMPLE menu.
06864B DCN6314