Teledyne 9110TH - Nitrogen Oxides Analyzer - Manual (Page 192)

Model 9110TH NOx Analyzer Calibration Procedures
Teledyne Analytical Instruments 172
STEP FOUR:
Perform the converter efficiency calculation procedure:
SAM PLE NO 2 STB= XXX.X PPM NO X =XXX.X
< TST TST > CAL SETU P
SAM PLE G AS TO CAL:NO X
NO X O 2 ENTR EXIT
M -P C AL STB = XXX.X PPM O X =X.XXX
<TST TST> ZER O SPAN C O NC EXIT
SAM PLE RANG E TO CAL:LO W
LO W HIG H ENTR EXIT
M -P C AL CO N CENTRATIO N M EN U
N O X NO C O NV EXIT
M -P C AL C E FACTO R :1.000 G ain
1 .0 0 0 0 ENTR EXIT
Press EXIT 3 tim es
top return to the
SAM PLE display
M -P C AL C O NVER TER EFFICIEN CY M ENU
NO 2 C AL SET EXIT
SAM PLE A 1:NXCNC 1=100PPM NO X =XXX.X
< TST TST > CAL SETU P
Set the D isplay to show
the N O 2 STB test
function.
This function calculates
the stability of the
m easurem ent
Toggle TST> button until ...
Allow NO
2
to enter the sam ple port
at the rear of the analyzer.
W ait until NO 2 STB
falls below 0.5 ppm
and the ENTR button
appears.
This m ay take several
m inutes.
SAM PLE NO X STB= XXX.X PPM N O X =XXX.X
< TST TST > ENTR SETU P
M -P C AL C O NVER TER EFFICIEN CY M ENU
NO 2 C AL SET EXIT
M -P C AL C E FACTO R :1.012 G ain
1 .0 0 1 2 ENTR EXIT
W hen ENTR is
pressed, the ratio of
observed NO
2
concentration to
expected NO
2
concentration is
calculated and
stored.
M -P C AL C O NVER TER EFFICIEN CY M ENU
NO 2 C AL SET EXIT