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Model 200EU-NOy Option Manual Addendum
05386 Rev. D 17
Table 4 Enter Expected Span Gas Concentrations Procedure For NO & NOy
Step Action Comment
1. Press
CAL-CONC-NOy
This key sequence causes the M200EU to prompt for the
expected NOy concentration.
Enter the NOy span concentration value by pressing the
key under each digit until the expected value is set.
2. Press ENTR ENTR stores the expected NOy span value.
3. Press
CAL-CONC-NO
N
ow enter the expected NO span concentration as in step
one.
4. Press ENTR Pressing ENTR stores the NO span value and returns the
p
rompt to the CONC menu.
5.
Press EXIT Returns instrument to SAMPLE mode.
If desired, compensation for converter efficiency (CE) can be included in the NOy concentration
calculation. Prior to calibration, the converter efficiency should either be set to 1.0 or
determined per the procedure in the M200E manual.
Table 5 Span Calibration Procedure
Step Action Comment
1. Press CAL The M200EU enters the calibrate mode.
2. Wait For Stability
Type STB < 2 PPB
Wait for reading to stabilize at span value.
3. Press SPAN If you change your mind after pressing SPAN, you can
still press EXIT here without spanning the instrument.
4. Press ENTR Pressing ENTR actually changes the calculation
equations and causes the instrument to read the NO and
N
Oy span concentrations.
5. Press EXIT M200EU returns to sampling. Immediately after
calibration, data is not added to the DAS averages.