700M HFID 6-2-15
52
Span
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A span calibration should be performed after a successful zero calibration. 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 and change the concentration to match it. Press
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 (300.0 ppm).
Introduce span gas into the rear of the analyzer. Press to go to the Diagnostic Values screen
to view the current Diagnostic values. Check the temperatures and pressures to be sure they are
within their limits. If all diagnostic values are within their limits, press the button to return
to the Manual Span Calibration screen.
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