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Calibration Procedure Teledyne API Model M201E NH
3
Analyzer Operator Manual
18 05206H DCN5910
operator then manually spans the TN
x
and NO
x
channels individually through the
user interface. The following Tables outline the manual steps necessary to span
the analyzer.
Table 2-3. NO Calibration Procedure – NO Gas Through the SAMPLE Port
Important: Each channel (TN
x
and NO
x
) must be Spanned individually
Step No. Action Comment
1. Press CAL The M201E enters the calibrate mode from sample
mode. Confirm that excess NO gas is flowing past the
sample port.
2. Channel Selection Press TN
X
or NO
x
then Press ENTR.
3. Range Selection Press LOW or HIGH range then Press ENTR.
Always calibrate the LOW range, Section 3.0below.
4. Press CONC If NOx was chosen previously then the following will
be displayed:
NOx NO CONV Exit
Press NOx, If you are delivering 450 PPB of NO then
Enter 450 PPB, Press ENTR.
Repeat the same steps for NO.
Press EXIT
Once stability has been achieved,
Press SPAN, ENTR, EXIT
NOTE: Both NO
x
and NO should read 450 PPB.
_
__________________________________
_
________
If TNx was chosen previously then the following will
be displayed:
TNx CONV Exit
Press TNx enter 450 PPB, Press ENTR
Press EXIT
Once stability has been achieved,
Press SPAN, ENTR, EXIT
TN
x
should read 450 PPB.
5. Check Slopes The slopes should be close to 1.0 +/- 0.300