SERVOPRO NOx Analyzers Page
SPAN
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From the Manual Calibration menu press to access the Manual Span Calibration
screen.
Make sure the highlighted span gas value (see above) matches the value on the certificate
for the span calibration gas being supplied to the analyzer. If the span gas concentration
does not agree with the value on the certificate, press the Enter button and change
the concentration to match it. Press the Enter button again to close the span gas
concentration field.
Make sure the analyzer is in the range you wish to calibrate. Use the Up/Down arrows
to go to the desired range. The illustration shows the range (R2) next to the
maximum range limit (30.00 ppm).
NOTE:
A span calibration should be performed after a successful zero calibration.
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