Servomex SERVOPRO - Page 116

SERVOPRO NOx Analyzers Page
115
 To properly adjust for any offsets, all four steps need to be done in order from
through .
 There is only one set of Offset and Correction Factors for all ranges.
 Calibrating in NO
x
single mode will automatically reset the NO
x
Correction
Factors to the default settings of “0” and “1”.
Press to set the analyzer in NO mode and enter the Manual Zero Calibration screen.
Introduce zero gas into the rear of the analyzer. Once the concentration stabilizes, press
to set the Zero. Press the Back button to return to the NO
x
Correction Factors
menu.
Press to set the analyzer in NO
x
mode and enter the Manual Zero Calibration
screen. Introduce zero gas into the rear of the analyzer. Once the concentration stabilizes,
press to set the Zero Offset. Press the Back button to return to the NO
x
Correction Factors menu.
Press to set the analyzer in NO mode and enter the Manual Span Calibration screen.
Introduce NO span gas into the rear of the analyzer. Verify that the span concentration on
the screen matches the Nitric Oxide concentration on the bottle certificate. If the
concentration does not match, press Enter and change the concentration to match.
Once the concentration stabilizes, press to set the span. Press the Back button
to return to the NO
x
Correction Factors menu.
Press to set the analyzer in NO
x
mode and enter the Manual Span Calibration
screen. Introduce NO span gas into the rear of the analyzer. Set the concentration on the
screen to match the Total Oxides of Nitrogen (NOx) concentration from the bottle