Teledyne 9110TH - Nitrogen Oxides Analyzer - Manual (Page 69)

Getting Started Model 9110TH NOx Analyzer
Teledyne Analytical Instruments 49
3.7.2.2. O
2
Calibration Method
STEP 1 – Set O
2
span gas concentration :
Set the expected O
2
span gas concentration.
This should be equal to the percent concentration of the O
2
span gas of the selected
reporting range (default factory setting = 20.8%; the approximate O
2
content of ambient
air).
SAMPLE GAS TO CAL:NOX
NOX O2 ENTR EXIT
SAMPLE A1:NXCNC1=100PPM NOX=XXX.X
< TST TST > CAL SETUP
M-P CAL A1:NXCNC1 =100PPM NOX=X.XXX
<TST TST> ZERO SPAN CONC EXIT
SAMPLE GAS TO CAL:O2
NOX O2 ENTR EXIT
M-P CAL O2 SPAN CONC:20.8%
0 2 0 .8 0 ENTR EXIT
The O
2
span concentration value automatically defaults to
20.8 %.
If this is not the the concentration of the span gas being
used, toggle these buttons to set the correct concentration
of the O
2
calibration gases.
EXIT ignores the new
setting and returns to
the previous display.
ENTR accepts the new
setting and returns to
the previous menu.