
Calibration Procedures Teledyne API – T101 Operation Manual
168
STEP THREE: Perform the zero/span calibration:
M-P CAL H2S STB=X.XXX PPB H2S =XXX.
< TST TST > ENTR CONC EXIT
M-P CAL H2S STB=X.XXX PPB H2S =XXX.X
< TST TST > CAL SETUP
M-P CAL H2S STB=X.XXX PPB H2S =X XX . X
< TST TST > ZERO CONC EXIT
EXIT returns to the main
SAMPLE display
CTION:
Allow zero gas to enter the sample port at the
r ea r of the instrument.
M-P CAL H2S STB=X.XXX PPB H2S =X XX.X
< TST TST > SPAN CONC EXIT
M-P CAL RANGE = 500.0 PPB H2S =X XX .X
< TST TST > ENTR SPAN CONC EXIT
M-P CAL RANGE = 500.0 PPB H2S =XXX.X
< TST TST > ENTR CONC EXIT
Wait until H2S STB
falls below 0.5 ppb.
This may take several
minutes.
The SPAN button no w
appears durin g the
transition from zero to span.
You may see both b ut tons.
SAMPLE RANGE = 500.0 PPB H2S =XXX.X
< TST TST > CAL SETUP
SAMPLE RANGE = 500.0 PPB H2S =XXX.X
< TST TST > CAL SETUP
Set the Display to show the H
S
STB test function.
This function calculates the
stability of the H
2
S
measurement
Press ENTR to chang es the
OFFSET & SLOPE values for the
H
2
S me asur ement s.
Pr ess EXIT to leave the calibration
unchange d an d retu rn to the
previ ous menu .
CTION:
Allow span gas to enter the sample port at the
r ea r of the instrument.
The value of
H2S STB may jump
significantly.
Wait until it falls back
below 0.5 ppb.
This may take several
minutes.
Press ENTR to chan ge the
OFFSET & SLOPE va lue s f o r th e
H
2
S me asu reme nts.
Press EXIT to leave the calibration
unchange d an d return to the
previous menu.
NOTE
If the ZERO or SPAN buttons are not displayed during zero or span calibration, the
measured concentration value is too different from the expected value and the analyzer
does not allow zeroing or spanning the instrument.
Consult Section 9.3 for more information on calibration problems.
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