Teledyne T200 Operation Manual page 263

Teledyne API – T200 NO/NO
Toggle these
buttons to initialize
the converter
efficiency at 1.0000.
The analyzer
calculates the
converter's
efficiency.
Check the calculated converter
efficiency gain factor.
If the gain factor is NOT greater
than 0.9600, the
NO à NO converter
2
needs to be replaced.
12.7.10.4. EVALUATING NO
06858E DCN7057
/NO Analyzer Operation Manual
2 X
STEP 3:
To cause the analyzer to calculate and record the NO
M-P CAL
NO2 CAL
M-P CAL
1. 0
M-P CAL
NO2 CAL
SAMPLE
< TST TST >
SAMPLE
<TST TST>
Allow NO
the sample port at the rear of the analyzer.
SAMPLE
<TST TST>
M-P CAL
NO2 CAL
M-P CAL
0. 8
 NO CONVERTER PERFORMANCE
2
If the converter appears to have performance problems (conversion efficiency is less
than 96%), check the following:
Starting from
CONVERTER EFFICIENCY MENU
(see preceding steps)
CONVERTER EFFICIENCY MENU
SET
CE FACTOR:1000.0 Gain
0 0 0 ENTR EXIT
CONVERTER EFFICIENCY MENU
SET
RANGE=500.0 PPB NOX= XXXX
ENTR SETUP
Toggle TST> button until ...
NO2 STB=XX.X PPB
SETUP
gas of the proper concetration to enter
2
NO2 STB=XX.X PPB
ENTR SETUP
CONVERTER EFICIENCY MENU
SET
CE FACTOR=0.9852 Gain
8 5 2 ENTR EXIT
Troubleshooting & Service
 NO converter efficiency, press:
2
EXIT
EXIT
Set the Display to show
the NOX STB test
function.
This function calculates
the stability of the NO/NO
measurement.
Wait until NOX STB
falls below 0.5 ppb.
This may take several
minutes.
EXIT
x
261