Interferences For No Measurements - Teledyne 200E Instruction Manual

Model 200E Instruction Manual
Perform the zero/span calibration procedure:
Analyzer
continues to cycle
through NO , NO,
x
and NO
2
measurements .
The SPAN key now
appears during the
transition from zero to
span.
You may see both keys.
If either the ZERO or
SPAN buttons fail to
appear see Section 11
for troubleshooting tips.
The Model 200E analyzer is now ready for operation.
3.6.2. Interferences for NO
The chemiluminescence method for detecting NO
of sources including water vapor (H
dioxide (CO ) but the Model 200E has been designed to reject most of these interferences.
2
Section 10.1.5 contains more detailed information on interferences.
044100102 Rev A
SAMPLE RANGE = 500.0 PPB
< TST TST > CAL
SAMPLE NOX STB=XXX.X PPB
< TST TST > CAL
ACTION:
Allow zero gas to enter the sample port at the
rear of the instrument.
M-P CAL NOX STB=XXX.X PPB
< TST TST > CAL
M-P CAL NOX STB=XXX.X PPB
< TST TST > ZERO CONC
M-P CAL NOX STB=XXX.X PPB
< TST TST > ENTR CONC
ACTION:
Allow span gas to enter the sample port at the
rear of the instrument.
M-P CAL NOX STB=XXX.X PPB
< TST TST > SPAN CONC
M-P CAL RANGE = 500.0 PPB
< TST TST > ENTR SPAN CONC
M-P CAL RANGE = 500.0 PPB
< TST TST > ENTR CONC
Measurements
X
O), ammonia (NH
2
NOX= X.X
Set the Display to show the
NOX STB test function.
This function calculates the
SETUP
stability of the NO/NO
NO = X.X
SETUP
This may take several
NO2= X.X
SETUP
NOX= X.X
EXIT
Press ENTR to changes the
NO = X.X
OFFSET & SLOPE values for both
the NO and NO
EXIT
Press EXIT to leave the calibration
unchanged and return to the
NOX STB may jump
Wait until it falls back
This may take several
NO2= X.X
EXIT
Press ENTR to change the
OFFSET & SLOPE values for both
NOX = X.X
the NO and NO
Press EXIT to leave the calibration
EXIT
unchanged and return to the
03 =
EXIT returns to the main
SAMPLE display
EXIT
is subject to interference from a number
X
), sulfur dioxide (SO
3
Getting Started
x
measurement
Wait until NOX STB
falls below 0.5 ppb.
minutes.
measurements.
x
previous menu.
The value of
significantly.
below 0.5 ppb.
minutes.
measurements.
x
previous menu.
) and carbon
2
27