Teledyne 9110EH - Nitrogen Oxides Analyzer - Manual (Page 137)

Model 9110EH Instruction Manual Calibration Procedures
Perform the span calibration procedure:
If the SPAN button does
not appear, see Section
11 for troubleshooting.
SPAN CAL M NOX STB=XXX.X PPB NOX=X.X
< TST TST > ENTR CONC EXIT
EXIT terminates the
calibration process and
returns the unit to
SAMPLE mode.
SPAN CAL M NOX STB=XXX.X PPB NOX=X.X
< TST TST > SPAN CONC EXIT
SAMPLE RANGE = 500.0 PPB NOX= X.X
< TST TST > CAL CALZ CALS SETUP
Set the Display to show the NOX
STB test function.
Analyzer enters SPAN CAL
mode.
SPAN CAL M NOX STB=XXX.X PPB NOX=X.X
< TST TST > SPAN CONC EXIT
Pressing ENTR changes the
calibration of the instrument.
EXIT returns to the
SAMPLE mode.
Wait until the STABIL value
falls below 0.5 ppb. This
may take several minutes.
SAMPLE NOX STB=XXX.X PPB NOX=X.X X
< TST TST > CAL CALZ CALS SETUP
Turn off the CAL_ON_NO2 feature (step four above).
7.6. Calibration Checks with IZS or Zero/Span
Valves
To perform a manual calibration check with zero/span valve or IZS option installed:
• Connect the sources of Zero Air and Span Gas as shown below.
Figure 7-4: Setup for Manual Calibration Check with Z/S Valve or IZS Option
M9110EH Rev 0 123
9110EH