Teledyne 200A Instruction Manual page 21

Teledyne API Model 200A NO
Step 3 - Review the quality of the calibration:
Calibration Quality Check Procedure
Step Number
1.
2.
3.
4.
Step 4 - The M200A is now ready to measure sample gas.
Analyzer Instruction Manual, 02246, Rev. F1
X
Action Comment
Scroll the TEST The SLOPE value for NOx should be 1.0 ± 0.3. If the value is
function menu until not in this range, check Section 7.10 or 9. If the SLOPE value
the NO SLOPE is is in the acceptable range, the instrument will perform
x
displayed. optimally.
Scroll the TEST The SLOPE value for NO should be 1.0 ± 0.3. If the value is
function menu until not in this range, check Section 7.10 or 9. If the SLOPE is in
the NO SLOPE is the acceptable range, the instrument will perform optimally.
displayed.
NOTE:
The NO and NOx slopes should be equal within ± 0.1.
Scroll the TEST The M200A will display the OFFSET parameter for the NOx
function menu until equation. This number should be near zero. A value of 0.0
the NOx OFFSET is ± 150 mV indicates calibration in the optimal range. If the
displayed. OFFSET value is outside this range, check Section 7.4 or 9 for
procedures to correct the OFFSET value to near zero.
Scroll the TEST The instrument will now display the NO OFFSET value. It
function menu until should also have a value near zero (0.0 ± 150 mV).
the NO OFFSET is
displayed.
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