Honeywell Sensepoint XCD RFD Technical Handbook page 31

Sensepoint XCD RFD Technical Manual
(SPAN CALIBRATION)
11.The display shows the current calibration span gas concentration while flashing the
' ' icon. Use ' 
required span calibration level is set.
12.The display will show the current gas reading, and the ' ' icon flashes.
13.Connect the regulator to the span gas cylinder.
14.Apply the span gas to the sensor using the Sensepoint XCD Gassing Cap (see
section 4.7 for description). The live gas reading is displayed. When the reading is
stable, use ' ' to confirm span calibration.
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15.If the sensor has been replaced the following display may be shown.
16.Use '  ' to select 'YES' if the sensor has been replaced or 'No' if it has not been
replaced.
17.If the span calibration is successful the instrument will briefly display 'SPAn PASS' (if
fails 'SPAN FAIL' displayed and returns to configuration mode).
Note: the calibration due warning counter is reset after a successful calibration. See
section 12.3 for further details of setting a calibration due warning.
18.The display alternates between "Purg gAS" and the gas reading to indicate that the
unit is expecting the span gas to be removed from the sensor.
' to change the calibration span gas concentration, and '
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' when
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