Teledyne 6400A - Sulfur dioxide analyzer - Manual (Page 97)

TAI Model 6400A SO
2
Analyzer Operator Manual, 02164, Rev. G
7-15
Figure 7-2: Diagram Of Calibration System
Table 7-11: EPA Expected Span Gas Concentration Procedure
Step Number Action Comment
1. Press CAL-
CONC
This key sequence causes the 6400A to prompt for the
expected SO
2
concentration.
Enter the SO
2
span concentration value by pressing the key
under each digit until the expected value is set.
2. Press ENTR ENTR stores the expected SO
2
span value.
3. Press EXIT Returns instrument to SAMPLE mode.
Sample the generated concentration until the SO
2
response is stabilized.
Span the instrument by the following procedure: